Glossary of hardware mechanisms and common terms

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Arch Plate

Escutcheon/backplate featuring a curved top and bottom, generally equally. Sometimes called circle tops and round tops. View Sun Valley Bronze Arch Escutcheon Plates >

Acive Dummy

Inside of door lever is active while the outside lever remains rigid.

Astragal

The center post between two swinging doors.

Backplate

Goes behind the knob/lever/grip handle. Also called a rose or escutcheon.
View Sun Valley Bronze Escutcheon Plates >

Backset

Distance from the edge of the door to the center of latch/lock

Ball Bearing Hinge

Ball bearings that the pin of the hinge rests on.

Bi-fold Patio Door

Doors fold like an accordion to create wide-open entryways. Hinge systems provide stability and multi-point locks provide security.

Bore Holes

Holes made on the face of the door.

Bottom Rail

The bottom horizontal member of a window sash or door panel.

Brass

An alloy used to make Sun Valley Bronze hardware.
View Sun Valley Bronze Finishes >

Bronze

Yellowish-brown alloy of copper and other metals.
View Sun Valley Bronze Finishes >

CC or CTC

Center to Center. A measurement commonly used in door hardware. Center to center between locks, or grip handles.

Casement Stay

A metal or bronze bar used to hold a casement window open in a specific open or closed position.

Casement Window

A window that is attached to the frame by one or more hinges a the side. They are held open with a casement stay.

Cast

An object made by shaping molten bronze.

Chassis

Supporting frame of a structure.

Complete Set (CS)

Includes latch/lock, spindle, trim, and all necessary fasteners.

Complete Multi-Point (CMP)

Includes trim, spindle, cylinder/turnpiece, and all necessary fasteners.

Copper Alloy

Made up of metal alloys that have copper as their main principle.

Cremone Bolt

A locking device on the face of the windoow or door for security. Bolts veritcally top and bottom.
View Sun Valley Bronze Cremone Bolts >

Cylinder

Holds a key to rotate pins for use with a lock.

D Handle

Cabinet or door handle in the shape of a "D".
View Sun Valley Bronze D Grip Pulls >

Deadbolt

Tubular pin tumber lock.

Decora Switch Plate

Switch plate made for the decora plug/switch.
View Sun Valley Bronze Switch Plates & Electrical Covers >

Deadlock

Lock used with a cylinder encased in a box that holds the lock.

Diamond Plate

An escutcheon/rose shaped as a diamond behind the knob/lever.

Door Knocker

A stationary piece of hardware placed on the door with a swiveled piece that is connected to a solid object to knock on the door. View Sun Valley Bronze Door Knockers >

Door Latch

Retractable piece of hardware that connects to the knob/lever.

Door Set

Same as complete set. Includes the knob/lever, escutcheon trim, latch/lock, and all fasteners.
View Sun Valley Bronze Door Hardware Sets >

Door Stop

Placed on the floor or wall strategically so the door stops before hitting an object like a wall.
View Sun Valley Bronze Door Stops >

Double Cylinder

Key on both sides of the door.

Double Hung

Double hung windows have two sashes that move up and down.

Double Pocket Doors

Two pocket doors that come together.
View Sun Valley Bronze Pocket Door Hardware >

Dummy Function

Inactive door.

Edge Pull

Usually flush and used on the edge of the pocket door to pull the door out from the pocket.
View Sun Valley Bronze Pocket Door Hardware >

Entry Handle

Front door or front of home grip lockset.
View Sun Valley Bronze Entry Sets >

Entry Plate

Front door or front of home backplate/escutcheon used behind the grip handle.
View Sun Valley Bronze Escutcheon Plates >

Emergency Release Cover

A decorative cover used to hide the hole on the exterior of a bathroom or bedroom door that needs emergency access.

Escutcheon

Used behind a knob/lever/grip handle. Sometimes called the backplate or a rose.
View Sun Valley Bronze Escutcheon Plates >

Extruded Hinge

Hinge is made from heated material forced through a die.
View Sun Valley Bronze Hinges & Finials >

Faceplate

Or Armor Front. Covers the latch/lock on the edge of the door.

Finial

Decorative piece used on the top and bottom of a hinge.
View Sun Valley Bronze Finials >

Finish

Color or patina of an item.
View Sun Valley Bronze Finishes >

Flap Ring

A ring that is pivoted off an object.

Flipped Plate

Also meaning lever or knob hub is above the lock or the short side of the escutcheon.

Flush Bolt

A bolt mounted into the edge of the door or face used to secure an inactive door.
View Sun Valley Bronze Flush Bolts >

Flush Pull

A pull that is recessed into the face of the door so it is seen and felt flush with the face of the door.
View Sun Valley Bronze Pocket Door Flush / Edge Pulls >
View Sun Valley Bronze Cabinet Flush / Edge Pulls >

Flush Turn-piece

Turnpiece that is mounted flush into the flush pull.

Forged Bronze

Process of heating, forming, and finishing a piece of bronze. Shapes formed by a falling ram.

Full Dummy

Inactive door from both sides of the door.

Grip Handle

Handle used to pull a door.
View Sun Valley Bronze Grip Handles >

Half Dummy

Inactive single door set.

Handle x Handle

Grip, lever, or knobs on both sides of the door.
View Sun Valley Bronze Handle Entry Sets >

Handling

Standing from the exterior side of the door, which way the door swings towards you or away from you.

Door Handling Guide

In-swing

Panels that swing to the interior as viewed from the exterior.

Jamb

The main vertical members forming the sides of a window or door frame.

Key Cover

Covers the key hole on a cylinder.
View Sun Valley Bronze Key Covers >

Keying

Key the cylinders alike or different.

Kickplate

A plate used on the bottom of a door rail for protection.
View Sun Valley Bronze Kick Plates >

Lift & Slide

Doors sit directly on a track and the handle has to be wheeled round 180 degrees to lift the doors off the rollers and slide the door.
View Sun Valley Bronze Lift & Slide Sets >

Live Finish

Living finish. Changes with time, environment, and usage.
View Sun Valley Bronze Finishes >

Mortise Bolt

Latching bolt used with a turn piece for privacy doors.

Mortise Lock

Lock encased in it's own box and has various functions to use with various hardware trims.

Multi-Point Lock

A locking system, operated with one handle, which secures a window or door at the top and bottom.
View Sun Valley Bronze Multi-Point Sets >

Offset Hub

Hub on the escucheon or backplate is not centered.

Out-swing

Panels that swing to the exterior.

Oval Plate

Escutcheon or rose that is oblong.
View Sun Valley Bronze Oval Escutcheon Plates >

Patio Function

Exterior hardware which means turn-piece on the interior of the door and no key on the outside of the door.

Patina

Finish applied to a material.
View Sun Valley Bronze Finishes >

Passage Latch

Latch used for passive doors. No lock needed for security.
View Sun Valley Bronze Interior Passage Door Sets >

Passage Set

Complete trim, latch, spindle, and fasteners for a passive door.
View Sun Valley Bronze Interior Passage Door Sets >

Pivot Window

A unit with a sash that swings open or shut by revolving on pivots at either side of the sash or at the top and bottom.
View Sun Valley Bronze Window Hardware >

Plate

Term used in place of a rose, escutcheon, or backplate.
View Sun Valley Bronze Escutcheon Plates >

Pocket Door

Door that pockets into a wall.
View Sun Valley Bronze Pocket Door Hardware >

Polished Finish

Shiny Buffed to a high gloss look.
View Sun Valley Bronze Finishes >

Privacy Set

Complete trim, latch, spindle, and fasteners for interior privacy door.
View Sun Valley Bronze Interior Privacy Door Sets >

Profile Cylinder

Teardrop shape key cylinder used in locks to secure the door.

Push Plate

An escutcheon or plate used on the door to push the door open.
View Sun Valley Bronze Push Plates >

Rail

The horizontal member of the framework of a window sash or door.

Rosette

Goes behind the knob/lever/grip handle. Also called a backplate or escutcheon.
View Sun Valley Bronze Escutcheon Plates >

Rough opening

A framed opening in a wall into which a window or door unit is to be installed.

Reverse Bevel

Bevel is reversed on the door.

Reversible Lock

Lock is able to be field re-handed.

Sash Lock

A protruding or recessed handle on the inside bottom rail of the lower sash on a double or single hung window.
View Sun Valley Bronze Window Hardware >

Silicon Bronze

A bronze alloy that is generally composed of 96% copper with a warm, golden hue.
View Sun Valley Bronze Finishes >

Single Cylinder

Key on one side of the door with an interior turnpiece.

Sliding Patio Door

Slide on rollers and are perfect for tight spaces. Wider bottom rail or a narrow style with much more visibility.
View Sun Valley Bronze Sliding Door Sets >

Snap Ring

Used to hold components in place on our spring assist system.

Spindle

Cylindrical steel rod used to connect knobs/spindles/handles together.

Spring Assist

Components used behind the escutcheon to help support the action and weight of the lever/knob.

Strike Plate

Located on the jamb of the door to protect the wood and receive the latch/lock.

Swinging Patio Doors

Swinging patio doors have hinges so the operating panels can swing inward or outward.

Thumblatch

A thumblatch is used with a grip handle to be able to push down on to open the door.
View Sun Valley Bronze Thumblatch Handle Entry Sets >

Thumb Turn

A thumb-turn is used on the inside of the door to release the latch/lock. Also called Turn-Pieces.
View Sun Valley Bronze Thumbturns >

Tilt Window

A tilt window is a single or double hung window with operable sash that can be tilted into a room to allow cleaning of the exterior surface on the inside.
View Sun Valley Bronze Window Hardware >

Transom Window

A transom window is used over the top of a door or window, primarily for additional light and aesthetic value.
View Sun Valley Bronze Window Hardware >

Trim Set

Includes the knobs/levers/grip handles with fasteners minus the lock/latch.

Tubular Lock or Latch

Used with knobs/levers for latching/locking doors.

Turn Piece

A turn-piece is a turnable component used to engage or disengage a lock or latch. Also called Thumbturns.
View Sun Valley Bronze Turn Pieces >

US Cylinder

A US cylinder is an oval cylinder used with multipoint locks.

Weatherstripping

Weatherstripping is a material or device used to seal the openings, gaps, or cracks of venting window and door units to prevent water and air infiltration.