"A"
ACTUAL: Dimension shown is true size of part, see nominal.
ASTHETIC: Philosophical conception of art or beauty.
ANODIZE: An electro-chemical process of coloring aluminum, also Duronodic, (brand name).
APPLIED: A flat finish material such as stainless steel or bronze; which is glued to an otherwise exposed surface of a cab.
"B"
BACKER SHEET: Laminated plastic or metal sheet on backside of wood core panel to balance glue line of the finish side laminate.
BACK-UP PANEL: Formed metal wall panels to which applied or removable panels are mounted.
BASE: Exposed surface at bottom or wall panel, can be coved, recessed, applied or straight.
BINDING ANGLE: Formed "L" shaped strip of metal around perimeter of a panel to conceal edge of finish material or to help hold it in place.
BLIND DUST COVER: Used in elevators with front and rear entrances when the front opening is higher than the rear (or vice versa), to bring the front and rear dust covers into alignment.
BLIND FACIA: A facia panel that extends further than one floor when there is no entrance at intermediate floors.
BLIND TAP: A threaded hole that only extends part way through the material, visible from one side only; also, the act of threading such a hole.
BLIND TOE GUARDS: Used on front and rear opening elevators when the bottom toe guard opening is a higher landing than the rear (or vice versa), to bring the front and rear toe guards into alignment.
BLOWER: Electric ventilation device that forces fresh air into the cab.
BOLSTER: Structural beam or channel attached to stiles under the elevator platform; also safety plank.
BOOM STILE: A structural brace extending towards the rear of the platform to provide an attachment to the brace rods; usually on elevators with Dover equipment, with side exits specified.
BRACE ROD: A rod attached to stile and platform for added stability.
BRAKE: Safety device which binds the guide.
BRAKEFORM (BRAKE): To form metal using a mechanical brake machine.
BRONZE: A metal alloy which contains various percentages of copper, lead, zinc, tin and nickel, depending on copper alloy number.
BUFFER: A spring or shock absorber at bottom of hoistway that stops the elevator.
BUTT JOINT: Where two sheared edges of material are set together to form a flush, nearly continuous appearance. Also, hairline butt joint: where two pieces of material come together to form a joint; usually straight pieces.
"C"
CAB: The moving elevator enclosure in which passengers and freight are carried.
CABLE: See lift cable.
CALL BUTTON: See hall station.
CANOPY: Formed horizontal panel at top of cab wall, either above transom or at multiple sides of cab. See transom.
CAPPED END: To close end of round handrail or other tube with a radiused "cap".
CAR RIDING LANTERN: See directional indicator
CAR STATION: The push button controls inside an elevator cab. Also is car operating push button.
CAST COVERED CORNER: A cast stainless steel base part used when coved bas meets coved corner.
CEILING: Horizontal panel that closed top of elevator cab. Also is upper ceiling.
CENTER OPENING: Entrance with more than one panel which opens to both sides equally.
CERTIFICATE FRAME: A metal window or frame where the elevator inspection certificate is kept for public view. It is usually mounted on return or in telephone box.
CHAMFER: A beveled edge.
CLOSE END: To use a flat piece of mater to close off the end of a channel shape or tube.
COLD ROLLED STEEL: Steel which has been roll formed to its final shape when cold, leaving it with a clean, smooth, paintable surface.
COLUMN: A formed metal vertical panel at either side of the opening of a cab, or a wood core panel faced with laminated plastic, etc, separate from the front return.
COPE: To notch a metal panel, usually before it is formed in the break.
COUNTER WEIGHT: A system of weights which move up and down the hoistway in operation to the elevator cab to balance the weight of the cab and therefore reduce the force required to move the cab.
COVE: A concave curved surface of a single radius i.e. coved corner or coved base.
CROSS GRAIN: A grained pattern, such as with satin stainless steel, where the rain runs side to side along the short dimension of the material.
CROSSHEAD: Structural channel or beam that is attached to the top of stiles and runs across the top of the cab.
"D"
DIRECTION INDICATOR: Lighted device that shows whether the cab is moving up or down. Also is hall lantern and car riding lantern.
DIRECT LIGHTING: Unobstructed illumination that is neither reflected nor diffused, such as down light.
DOG HOUSE: An extension at the top of the cab to allow tall items to be brought into the cab (usually at rear of cabs).
DOOR GUIDE: A nylon block attached to the bottom of the door panel with a metal angle which rides in the sill groove to keep the door vertical.
DOOR OVERHANG: Distance the car door extends beyond the edge of the platform in full, open position.
DOOR SPACE: Area between sill nosing and hoistway side of hatch wall, required to accommodate entrance structure and equipment. Also; door pocket or finish sill dimension.
DOWNLIGHT: Lighting fixture mounted into horizontal surface such as the suspended ceiling to provide downward illumination.
DUPLEX RECEPTICLE: Standard double electrical wall "plug-in".
DUST COVER: An angled metal panel to close off the top of the entrance header at the top of the landing.
DURDONIC: See anodize.
"E"
EMERGENCY ACCESS: A hinged or removable panel in the ceiling to provide access during an elevator malfunction.
EMERGENCY SIDE EXIT: A swing panel in the side wall of cab to provide access to an adjacent car during an elevator malfunction.
ENCLOSURE PANEL: Galvanized cold rolled stationary panel behind swing front to conceal structure and car station equipment.
ENGRAVING: The process of cutting figures or letters into the surface of metal as on front returns. Also used in making cutouts when a fine edge is required.
ENTRANCE: The door or opening in the building hall that provides access to the elevator cab.
"F"
FACIA: A flat, metal panel that extends from above the header of an entrance to the sill of the floor above.
FAN: Electrical ventilation device that exhausts stale air from the cab.
FAST DOOR: The leading door panel in a multi-speed entrance.
FINISHED DOOR: The exposed covering is either tile, carpet or other material which is applied above the rough floor and floor clips.
FINISH MATERIAL: Materials that are exposed to view in an entrance or cab that require a pleasing appearance.
FRAME: The combination of side and head jambs that surround the entrance opening.
FRONT RETURN PANEL: A vertical panel at the opening side of cab between the columns and the side wall, normally where the car station is located. Also see integral front return.
FLUORESCENT LAMP: A tubular lamp which emits light due to electrical bombardment of mercury vapor.
"G"
GLASS POCKET: The recessed area between glass stops or in the mullion intended to accept and secure the glass. Also glazing pocket.
GLASS STOP: A channel, bar or other shape which surrounds a glass panel to hold it in place, usually removable and attached with screws.
GLAZING: Generic term for transparent or translucent panels; i.e. glass, plexiglass, lexan, etc.
GLAZING MATERIAL: Rubber or neoprene shape which lines the glass pocket to isolate the glass from the metal surfaces.
GUIDERAILS: A "T" shape structural member that runs vertical in the hoistway and which stabilizes the elevator horizontally.
GUIDE SHOES: Rollers or wheels that are attached to the elevator sling and which run along the guiderails.
GUSSET: Reinforcement between stiles and crosshead. It usually extends below the crosshead.
"H"
HANDRAIL: A tube, bar or other material attached to cab walls to give passengers a handhold.
HALL LANTERN: See direction indicator
HALL STATION: Push button control at each floor which calls elevator to that floor. Also call button.
HANGER COVER: A metal panel that attaches to the entrance header to conceal the door tracks and hangers.
HANGER SUPPORT: Structural or formed hot rolled steel angle above opening in cab which the car door hanger and track are attached.
HEADER: Formed steel which runs horizontally across the hatchway above the entrance to which the door hanger and track are attached.
HEADER PLATE: Formed hot rolled steel angle which attaches to hanger support and provide mounting surface for operator equipment.
HEAD JAMB: Formed metal horizontal panel above entrance opening attached to side jambs and header.
HITCH: Where the lift cable attaches to crosshead on traction elevators. Usually hangs below crosshead.
HOISTWAY: The vertical shaft of space through the building in which the elevator rides; also shaft or hatch.
HOT ROLLED STEEL: Steel which has been roll formed to its final shape when heated, leaving it with a rough, darkened surface.
HYDRAULIC ELEVATOR: An elevator which is raised and lowered by means of a hydraulic cylinder from beneath the platform.
"I"
INCANDESCENT LAMP: A lamp in which the filament gives off light due to electrical resistances and heat.
INDIRECT LIGHTING: A system of lighting in which the fixtures are concealed by an opaque panel and all light is reflected into the room.
INTEGRAL FRONT RETURN: A front return that also serves as a column with no joint or splice line from the opening to the side of the wall; H&B standard design. See column and front return.
ISOLATION BRACKET: An assembly mounted to the top of the cab that surrounds the stiles to stabilize the cab and prevent vibration. The assembly consists of two small stile plates, one large stile plate and four rubber bumpers.
"J"
JACK: The hydraulic cylinder of a hydro cab; also a plunger.
JAMB: Formed metal panels that surround an entrance opening. See head jamb, strike jamb and fast jamb.
"K"
KICK PLATE: An applied metal panel at the bottom edge of a door panel for protection from scuff marks.
"L"
LAMINATE: To make by uniting superposed layers of one or more materials. A product made by laminating such as laminated plastic panel or plastic laminate.
LAMINATED PLASTIC PANEL: A wood core panel (usually particle board or plywood) with a layer of finish quality plastic laminate glued to the "face" side and a layer of non-finish quality plastic laminate backer sheet on the "back" side to balance the glue line.
LAMINATED SAFETY GLASS: A glass panel consisting of two thin layers of glass, laminated with a protective layer of film between to prevent splintering and shattering if broken.
LEFT HAND: An entrance in which the strike jamb is located on the left and the door closes on the left as one views the door from the hallway.
LIFT CABLE: The tension cable attaching to the top of the sling by which the elevator is raised and lowered.
LIGHT COVE: A curved or formed metal panel which reflects light down into the cab.
LIGHT PROOF JOINT: A zee shaped bend at joints of back-up panel to prevent light leaks and to add strength to panel.
LIGHT TROUGH: A formed metal panel of wood trough that conceal light fixtures for indirect lighting.
LUMINOUS: Type of lighting where the light source is behind a diffuser panel such as plexiglass to provide more uniform lighting with less glare.
"M"
MECHANICAL FASTEN: The use of nuts, bolts and screws to attach to adjacent materials.
MITER: A joint between two pieces, the ends of which have been cut at an angle and fitted together.
MULLION: A structural frame around glass or other glazed area constructed of tubes, formed metal or extruded shapes.
MUNTZ OT MUNTZ METAL: The alloy of bronze that H&B commonly provides whenever bronze is specified.
"N"
NICKEL SILVER: A bronze alloy with a silver color, commonly called white bronze.
NOMINAL: Dimension shown is not actual size of material but is an industry standard identification. i.e. 2"x 4" (actual size 1 ½" x 3 ½") or 1 ½" nominal pipe (1.90 O.D. actual). See actual.
"O"
OPERATOR SUPPORT: A formed 3/16" plate on top of elevator cab to which the door operator mounts (usually a formed zee or channel).
OVER TRAVEL: On entrance doors; the distance between trailing edge of door and its bumper stop when fully open. On elevator cabs; the designed limit of travel above top floor and below bottom floor.
OXIDIZE: A process of coloring bronze using chemicals to speed the process of natural oxidization.
"P"
PAD BUTTONS: Standard part for hang protection pads; permanently attached.
PAD HOOKS: Special part for hanging protection pads. Also "S" hook, removable. Hooks over top of laminated plastic panel or the edge of suspended ceiling.
PIPE: Round, hollow, metal cylinder with thick wall. Sizes determined as schedule 40. Shown as nominal inside diameter per chart in catalog. See tubing.
PIT: Bottom below hoistway; area below lowest landing. Required for clearance of buffers, jack and other under platform equipment.
PLUNGER: See jack.
POCKET GLAZING: Type of mullion and glass stop construction where a recess or groove has been provided for glazing material with removable glass stop on one side only. Glass stop is flush with outside of mullion and does not project into sight opening.
POSITION INDICATOR: Usually a lighted device which shows location of elevator at any given time.
PROTECTION PAD: A quilted and padded blanket that is hung in front of the finished cab walls to protect them from damage when elevator is used to move freight.
"Q"
QUIRK: A groove or reveal cut into a panel.
"R"
RADIUS CORNER: A curved surface of a single radius.
RAISED PANEL: Generic term for applied, removable or other panel which gives a relief patters to a wall.
REFLECTED CEILING PLAN: A plan of a ceiling which is drawn as if a mirror was placed on the floor of the room and the ceiling is viewed in it, so as to provide the same right to left orientation as the floor plan.
REVEAL: The space between two panels which is recessed; usually exposing the back-up panel.
RIGHT HAND: An entrance in which the strike jamb is located on the right and the door closes on the right as one views the door from the hallway.
ROUGH FLOOR: The surface of the platform made of wood or steel plate on which the cab enclosure sits and is fastened to.
ROUGH MATERIAL: Structural members of the entrance not usually visible to the public.
RUNNING CABLES: Electrical power supply to elevator cab. Usually hangs in the loop from top of the hoistway to bottom of platform with sufficient length to reach can at all levels of its travel.
RUNNING CLEARANCE: The space between entrance sill and car sill (usually 1 ¼").
"S"
SAFETY PLANK: See bolster
S.C.E.: Solid color enamel baked on.
SHAFT: See hoistway
SHEAR: To cut metal panels to size with a shearing machine.
SHEAVE: A pulley which redirects the force of the lift cable when raising and lowering the elevator.
SHIM: A block or flat piece of metal or other material that is used as a spacing device to bring to related parts into alignment; also, the act of shimming.
SHROUDS: A metal enclosure above and below the cab enclosure of a glass walled elevator that conceals the structure of other mechanical equipment of the platform and can from public view.
SIDE EXIT: See emergency side exit
SIGHT OPENING: The distance between the glass stops in a glazed opening; the exposed glass area.
SILL: A flat metal shape, extruded or otherwise machined with grooves in which the door guide rides at the floor in either an elevator entrance or cab door.
SILL NOSING: The edge of the sill that faces the hoistway, car or entrance.
SILL RECESS: An indention in the floor at the hoistway entrance into which the wall is installed and grouted.
SILL SUPPORT: A structural angle or concrete support to which the sill is attached.
SIDE JAMB: The vertical jamb at either side of the entrance opening.
SIDE OPENING: An entrance or cab opening where the door opens to one direction.
SINGLE SLIDE: A side opening entrance with only one door panel.
SKIP FACIA: See blind facia
SKIRT: A shroud with vertical panels only.
SLING: The structure surrounding the elevator cab, including the stiles, crosshead and bolster.
SLOW DOOR: The trailing door in a multiple speed entrance.
SLOW JAMB: The side jamb adjacent to the trailing edge of a single slide side opening door panel or the side jamb adjacent to the slow door of a multiple speed side opening door.
SOFFIT: The underside of a transom or canopy in a cab, or the underside of the head jamb or transom in an entrance.
SPACER: See handrail bracket.
STAINLESS STEEL: A steel alloy that contains nickel and chromium that is harder than regular steel; rust resistant with a shiny surface.
SPOOL: See handrail bracket.
STACK BRACKET: See handrail bracket.
STATIONARY PANEL: A metal panel adjacent to the opening that gives the appearance of another panel. Also, any metal panel applied to the wall next to an opening.
STILE: A vertical structural channel at sides of the platform at the centerline of the guide rails.
STILE BOOM: A structural arm that extends reward from the stile as an attachment for the brace rod on jobs with Dover equipment when side exits are required.
STILE PLATE: Large and small formed metal part of isolation bracket assembly.
STRIKE JAMB: The side jamb on a side opening entrance that the leading door comes in contact with when it is closed.
STRUTS: A vertical, structural or formed angle at the ends of the entrance sill that attaches to the hatch wall to give support to the header.
SUBPLATE: A metal panel supplied by our customers that is punched for all push buttons and controls on an elevator with swing front returns. Subplate attaches to back side of swing and becomes and integral part of it.
SWING FRONT RETURN: Also swing front. A front return panel with all control push buttons mounted flush to it without a cover plate. The entire front return it hinged or pivoted to allow service access to the control mechanism.
"T"
TELEPHONE BOX: Enclosure for telephone with hinged cover for emergency communications; usually in front return.
TEMPLATE: A drawing from the equipment supplier that shows locations of cutouts, drilling and reinforcing for various fixtures.
TRACK: A metal bar or other shape mounted to the header or header plate on which the door hangers ride.
TRACTION ELEVATOR: Usually a high rise elevator where the cab is suspended by a cable from above.
TRANSOM: A horizontal formed metal panel above the cab opening. Can either be full width, extending from the side wall to side wall or between columns, extending only the width of the opening; also, a metal panel above the entrance door. This can be flush with the door or offset.
TUBE: Round, hollow, metal cylinder with various wall thicknesses. Sizes are determined by actual outside diameter and thickness or gauge of wall; see pipe.
TOE GUARD: An angle metal panel that attaches to the entrance sill nosing and the hatch wall at the bottom landing.
TWO SPEED: An entrance with two door panels which open in the same direction in their own groove in a double groove sill. One door moves at a higher speed as it has to travel further in the same amount of time.
"U"
U.L.: Underwriters Laboratory; a safety testing company that determines safety characteristics of products.
U.L. DOORS: Door panels that have been manufactured and labeled according to the procedures determined by U.L. test.
U.L. FRAMES: Entrance frames intended for hoistways of drywall construction that have been manufactured and labeled according to the procedures determined by U.L. test.
"W"
WAINSCOT: A cab wall constructed of two horizontal panels of different materials with the joint at approximately the handrail height; also the lower panel in such a wall is called wainscot.
This document along with the definitions herein, is sole property of H&B Elevators, Any unauthorized use or distribution of the stated is considered to be unlawful. © H&B Elevators, All Rights Reserved.
ACTUAL: Dimension shown is true size of part, see nominal.
ASTHETIC: Philosophical conception of art or beauty.
ANODIZE: An electro-chemical process of coloring aluminum, also Duronodic, (brand name).
APPLIED: A flat finish material such as stainless steel or bronze; which is glued to an otherwise exposed surface of a cab.
"B"
BACKER SHEET: Laminated plastic or metal sheet on backside of wood core panel to balance glue line of the finish side laminate.
BACK-UP PANEL: Formed metal wall panels to which applied or removable panels are mounted.
BASE: Exposed surface at bottom or wall panel, can be coved, recessed, applied or straight.
BINDING ANGLE: Formed "L" shaped strip of metal around perimeter of a panel to conceal edge of finish material or to help hold it in place.
BLIND DUST COVER: Used in elevators with front and rear entrances when the front opening is higher than the rear (or vice versa), to bring the front and rear dust covers into alignment.
BLIND FACIA: A facia panel that extends further than one floor when there is no entrance at intermediate floors.
BLIND TAP: A threaded hole that only extends part way through the material, visible from one side only; also, the act of threading such a hole.
BLIND TOE GUARDS: Used on front and rear opening elevators when the bottom toe guard opening is a higher landing than the rear (or vice versa), to bring the front and rear toe guards into alignment.
BLOWER: Electric ventilation device that forces fresh air into the cab.
BOLSTER: Structural beam or channel attached to stiles under the elevator platform; also safety plank.
BOOM STILE: A structural brace extending towards the rear of the platform to provide an attachment to the brace rods; usually on elevators with Dover equipment, with side exits specified.
BRACE ROD: A rod attached to stile and platform for added stability.
BRAKE: Safety device which binds the guide.
BRAKEFORM (BRAKE): To form metal using a mechanical brake machine.
BRONZE: A metal alloy which contains various percentages of copper, lead, zinc, tin and nickel, depending on copper alloy number.
BUFFER: A spring or shock absorber at bottom of hoistway that stops the elevator.
BUTT JOINT: Where two sheared edges of material are set together to form a flush, nearly continuous appearance. Also, hairline butt joint: where two pieces of material come together to form a joint; usually straight pieces.
"C"
CAB: The moving elevator enclosure in which passengers and freight are carried.
CABLE: See lift cable.
CALL BUTTON: See hall station.
CANOPY: Formed horizontal panel at top of cab wall, either above transom or at multiple sides of cab. See transom.
CAPPED END: To close end of round handrail or other tube with a radiused "cap".
CAR RIDING LANTERN: See directional indicator
CAR STATION: The push button controls inside an elevator cab. Also is car operating push button.
CAST COVERED CORNER: A cast stainless steel base part used when coved bas meets coved corner.
CEILING: Horizontal panel that closed top of elevator cab. Also is upper ceiling.
CENTER OPENING: Entrance with more than one panel which opens to both sides equally.
CERTIFICATE FRAME: A metal window or frame where the elevator inspection certificate is kept for public view. It is usually mounted on return or in telephone box.
CHAMFER: A beveled edge.
CLOSE END: To use a flat piece of mater to close off the end of a channel shape or tube.
COLD ROLLED STEEL: Steel which has been roll formed to its final shape when cold, leaving it with a clean, smooth, paintable surface.
COLUMN: A formed metal vertical panel at either side of the opening of a cab, or a wood core panel faced with laminated plastic, etc, separate from the front return.
COPE: To notch a metal panel, usually before it is formed in the break.
COUNTER WEIGHT: A system of weights which move up and down the hoistway in operation to the elevator cab to balance the weight of the cab and therefore reduce the force required to move the cab.
COVE: A concave curved surface of a single radius i.e. coved corner or coved base.
CROSS GRAIN: A grained pattern, such as with satin stainless steel, where the rain runs side to side along the short dimension of the material.
CROSSHEAD: Structural channel or beam that is attached to the top of stiles and runs across the top of the cab.
"D"
DIRECTION INDICATOR: Lighted device that shows whether the cab is moving up or down. Also is hall lantern and car riding lantern.
DIRECT LIGHTING: Unobstructed illumination that is neither reflected nor diffused, such as down light.
DOG HOUSE: An extension at the top of the cab to allow tall items to be brought into the cab (usually at rear of cabs).
DOOR GUIDE: A nylon block attached to the bottom of the door panel with a metal angle which rides in the sill groove to keep the door vertical.
DOOR OVERHANG: Distance the car door extends beyond the edge of the platform in full, open position.
DOOR SPACE: Area between sill nosing and hoistway side of hatch wall, required to accommodate entrance structure and equipment. Also; door pocket or finish sill dimension.
DOWNLIGHT: Lighting fixture mounted into horizontal surface such as the suspended ceiling to provide downward illumination.
DUPLEX RECEPTICLE: Standard double electrical wall "plug-in".
DUST COVER: An angled metal panel to close off the top of the entrance header at the top of the landing.
DURDONIC: See anodize.
"E"
EMERGENCY ACCESS: A hinged or removable panel in the ceiling to provide access during an elevator malfunction.
EMERGENCY SIDE EXIT: A swing panel in the side wall of cab to provide access to an adjacent car during an elevator malfunction.
ENCLOSURE PANEL: Galvanized cold rolled stationary panel behind swing front to conceal structure and car station equipment.
ENGRAVING: The process of cutting figures or letters into the surface of metal as on front returns. Also used in making cutouts when a fine edge is required.
ENTRANCE: The door or opening in the building hall that provides access to the elevator cab.
"F"
FACIA: A flat, metal panel that extends from above the header of an entrance to the sill of the floor above.
FAN: Electrical ventilation device that exhausts stale air from the cab.
FAST DOOR: The leading door panel in a multi-speed entrance.
FINISHED DOOR: The exposed covering is either tile, carpet or other material which is applied above the rough floor and floor clips.
FINISH MATERIAL: Materials that are exposed to view in an entrance or cab that require a pleasing appearance.
FRAME: The combination of side and head jambs that surround the entrance opening.
FRONT RETURN PANEL: A vertical panel at the opening side of cab between the columns and the side wall, normally where the car station is located. Also see integral front return.
FLUORESCENT LAMP: A tubular lamp which emits light due to electrical bombardment of mercury vapor.
"G"
GLASS POCKET: The recessed area between glass stops or in the mullion intended to accept and secure the glass. Also glazing pocket.
GLASS STOP: A channel, bar or other shape which surrounds a glass panel to hold it in place, usually removable and attached with screws.
GLAZING: Generic term for transparent or translucent panels; i.e. glass, plexiglass, lexan, etc.
GLAZING MATERIAL: Rubber or neoprene shape which lines the glass pocket to isolate the glass from the metal surfaces.
GUIDERAILS: A "T" shape structural member that runs vertical in the hoistway and which stabilizes the elevator horizontally.
GUIDE SHOES: Rollers or wheels that are attached to the elevator sling and which run along the guiderails.
GUSSET: Reinforcement between stiles and crosshead. It usually extends below the crosshead.
"H"
HANDRAIL: A tube, bar or other material attached to cab walls to give passengers a handhold.
HALL LANTERN: See direction indicator
HALL STATION: Push button control at each floor which calls elevator to that floor. Also call button.
HANGER COVER: A metal panel that attaches to the entrance header to conceal the door tracks and hangers.
HANGER SUPPORT: Structural or formed hot rolled steel angle above opening in cab which the car door hanger and track are attached.
HEADER: Formed steel which runs horizontally across the hatchway above the entrance to which the door hanger and track are attached.
HEADER PLATE: Formed hot rolled steel angle which attaches to hanger support and provide mounting surface for operator equipment.
HEAD JAMB: Formed metal horizontal panel above entrance opening attached to side jambs and header.
HITCH: Where the lift cable attaches to crosshead on traction elevators. Usually hangs below crosshead.
HOISTWAY: The vertical shaft of space through the building in which the elevator rides; also shaft or hatch.
HOT ROLLED STEEL: Steel which has been roll formed to its final shape when heated, leaving it with a rough, darkened surface.
HYDRAULIC ELEVATOR: An elevator which is raised and lowered by means of a hydraulic cylinder from beneath the platform.
"I"
INCANDESCENT LAMP: A lamp in which the filament gives off light due to electrical resistances and heat.
INDIRECT LIGHTING: A system of lighting in which the fixtures are concealed by an opaque panel and all light is reflected into the room.
INTEGRAL FRONT RETURN: A front return that also serves as a column with no joint or splice line from the opening to the side of the wall; H&B standard design. See column and front return.
ISOLATION BRACKET: An assembly mounted to the top of the cab that surrounds the stiles to stabilize the cab and prevent vibration. The assembly consists of two small stile plates, one large stile plate and four rubber bumpers.
"J"
JACK: The hydraulic cylinder of a hydro cab; also a plunger.
JAMB: Formed metal panels that surround an entrance opening. See head jamb, strike jamb and fast jamb.
"K"
KICK PLATE: An applied metal panel at the bottom edge of a door panel for protection from scuff marks.
"L"
LAMINATE: To make by uniting superposed layers of one or more materials. A product made by laminating such as laminated plastic panel or plastic laminate.
LAMINATED PLASTIC PANEL: A wood core panel (usually particle board or plywood) with a layer of finish quality plastic laminate glued to the "face" side and a layer of non-finish quality plastic laminate backer sheet on the "back" side to balance the glue line.
LAMINATED SAFETY GLASS: A glass panel consisting of two thin layers of glass, laminated with a protective layer of film between to prevent splintering and shattering if broken.
LEFT HAND: An entrance in which the strike jamb is located on the left and the door closes on the left as one views the door from the hallway.
LIFT CABLE: The tension cable attaching to the top of the sling by which the elevator is raised and lowered.
LIGHT COVE: A curved or formed metal panel which reflects light down into the cab.
LIGHT PROOF JOINT: A zee shaped bend at joints of back-up panel to prevent light leaks and to add strength to panel.
LIGHT TROUGH: A formed metal panel of wood trough that conceal light fixtures for indirect lighting.
LUMINOUS: Type of lighting where the light source is behind a diffuser panel such as plexiglass to provide more uniform lighting with less glare.
"M"
MECHANICAL FASTEN: The use of nuts, bolts and screws to attach to adjacent materials.
MITER: A joint between two pieces, the ends of which have been cut at an angle and fitted together.
MULLION: A structural frame around glass or other glazed area constructed of tubes, formed metal or extruded shapes.
MUNTZ OT MUNTZ METAL: The alloy of bronze that H&B commonly provides whenever bronze is specified.
"N"
NICKEL SILVER: A bronze alloy with a silver color, commonly called white bronze.
NOMINAL: Dimension shown is not actual size of material but is an industry standard identification. i.e. 2"x 4" (actual size 1 ½" x 3 ½") or 1 ½" nominal pipe (1.90 O.D. actual). See actual.
"O"
OPERATOR SUPPORT: A formed 3/16" plate on top of elevator cab to which the door operator mounts (usually a formed zee or channel).
OVER TRAVEL: On entrance doors; the distance between trailing edge of door and its bumper stop when fully open. On elevator cabs; the designed limit of travel above top floor and below bottom floor.
OXIDIZE: A process of coloring bronze using chemicals to speed the process of natural oxidization.
"P"
PAD BUTTONS: Standard part for hang protection pads; permanently attached.
PAD HOOKS: Special part for hanging protection pads. Also "S" hook, removable. Hooks over top of laminated plastic panel or the edge of suspended ceiling.
PIPE: Round, hollow, metal cylinder with thick wall. Sizes determined as schedule 40. Shown as nominal inside diameter per chart in catalog. See tubing.
PIT: Bottom below hoistway; area below lowest landing. Required for clearance of buffers, jack and other under platform equipment.
PLUNGER: See jack.
POCKET GLAZING: Type of mullion and glass stop construction where a recess or groove has been provided for glazing material with removable glass stop on one side only. Glass stop is flush with outside of mullion and does not project into sight opening.
POSITION INDICATOR: Usually a lighted device which shows location of elevator at any given time.
PROTECTION PAD: A quilted and padded blanket that is hung in front of the finished cab walls to protect them from damage when elevator is used to move freight.
"Q"
QUIRK: A groove or reveal cut into a panel.
"R"
RADIUS CORNER: A curved surface of a single radius.
RAISED PANEL: Generic term for applied, removable or other panel which gives a relief patters to a wall.
REFLECTED CEILING PLAN: A plan of a ceiling which is drawn as if a mirror was placed on the floor of the room and the ceiling is viewed in it, so as to provide the same right to left orientation as the floor plan.
REVEAL: The space between two panels which is recessed; usually exposing the back-up panel.
RIGHT HAND: An entrance in which the strike jamb is located on the right and the door closes on the right as one views the door from the hallway.
ROUGH FLOOR: The surface of the platform made of wood or steel plate on which the cab enclosure sits and is fastened to.
ROUGH MATERIAL: Structural members of the entrance not usually visible to the public.
RUNNING CABLES: Electrical power supply to elevator cab. Usually hangs in the loop from top of the hoistway to bottom of platform with sufficient length to reach can at all levels of its travel.
RUNNING CLEARANCE: The space between entrance sill and car sill (usually 1 ¼").
"S"
SAFETY PLANK: See bolster
S.C.E.: Solid color enamel baked on.
SHAFT: See hoistway
SHEAR: To cut metal panels to size with a shearing machine.
SHEAVE: A pulley which redirects the force of the lift cable when raising and lowering the elevator.
SHIM: A block or flat piece of metal or other material that is used as a spacing device to bring to related parts into alignment; also, the act of shimming.
SHROUDS: A metal enclosure above and below the cab enclosure of a glass walled elevator that conceals the structure of other mechanical equipment of the platform and can from public view.
SIDE EXIT: See emergency side exit
SIGHT OPENING: The distance between the glass stops in a glazed opening; the exposed glass area.
SILL: A flat metal shape, extruded or otherwise machined with grooves in which the door guide rides at the floor in either an elevator entrance or cab door.
SILL NOSING: The edge of the sill that faces the hoistway, car or entrance.
SILL RECESS: An indention in the floor at the hoistway entrance into which the wall is installed and grouted.
SILL SUPPORT: A structural angle or concrete support to which the sill is attached.
SIDE JAMB: The vertical jamb at either side of the entrance opening.
SIDE OPENING: An entrance or cab opening where the door opens to one direction.
SINGLE SLIDE: A side opening entrance with only one door panel.
SKIP FACIA: See blind facia
SKIRT: A shroud with vertical panels only.
SLING: The structure surrounding the elevator cab, including the stiles, crosshead and bolster.
SLOW DOOR: The trailing door in a multiple speed entrance.
SLOW JAMB: The side jamb adjacent to the trailing edge of a single slide side opening door panel or the side jamb adjacent to the slow door of a multiple speed side opening door.
SOFFIT: The underside of a transom or canopy in a cab, or the underside of the head jamb or transom in an entrance.
SPACER: See handrail bracket.
STAINLESS STEEL: A steel alloy that contains nickel and chromium that is harder than regular steel; rust resistant with a shiny surface.
SPOOL: See handrail bracket.
STACK BRACKET: See handrail bracket.
STATIONARY PANEL: A metal panel adjacent to the opening that gives the appearance of another panel. Also, any metal panel applied to the wall next to an opening.
STILE: A vertical structural channel at sides of the platform at the centerline of the guide rails.
STILE BOOM: A structural arm that extends reward from the stile as an attachment for the brace rod on jobs with Dover equipment when side exits are required.
STILE PLATE: Large and small formed metal part of isolation bracket assembly.
STRIKE JAMB: The side jamb on a side opening entrance that the leading door comes in contact with when it is closed.
STRUTS: A vertical, structural or formed angle at the ends of the entrance sill that attaches to the hatch wall to give support to the header.
SUBPLATE: A metal panel supplied by our customers that is punched for all push buttons and controls on an elevator with swing front returns. Subplate attaches to back side of swing and becomes and integral part of it.
SWING FRONT RETURN: Also swing front. A front return panel with all control push buttons mounted flush to it without a cover plate. The entire front return it hinged or pivoted to allow service access to the control mechanism.
"T"
TELEPHONE BOX: Enclosure for telephone with hinged cover for emergency communications; usually in front return.
TEMPLATE: A drawing from the equipment supplier that shows locations of cutouts, drilling and reinforcing for various fixtures.
TRACK: A metal bar or other shape mounted to the header or header plate on which the door hangers ride.
TRACTION ELEVATOR: Usually a high rise elevator where the cab is suspended by a cable from above.
TRANSOM: A horizontal formed metal panel above the cab opening. Can either be full width, extending from the side wall to side wall or between columns, extending only the width of the opening; also, a metal panel above the entrance door. This can be flush with the door or offset.
TUBE: Round, hollow, metal cylinder with various wall thicknesses. Sizes are determined by actual outside diameter and thickness or gauge of wall; see pipe.
TOE GUARD: An angle metal panel that attaches to the entrance sill nosing and the hatch wall at the bottom landing.
TWO SPEED: An entrance with two door panels which open in the same direction in their own groove in a double groove sill. One door moves at a higher speed as it has to travel further in the same amount of time.
"U"
U.L.: Underwriters Laboratory; a safety testing company that determines safety characteristics of products.
U.L. DOORS: Door panels that have been manufactured and labeled according to the procedures determined by U.L. test.
U.L. FRAMES: Entrance frames intended for hoistways of drywall construction that have been manufactured and labeled according to the procedures determined by U.L. test.
"W"
WAINSCOT: A cab wall constructed of two horizontal panels of different materials with the joint at approximately the handrail height; also the lower panel in such a wall is called wainscot.
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