Door Latch Parts Terminology

Key cylinder component within a lock that engages disengages the latch typically from the exterior.

Door latch parts terminology. There are two main styles of latch or bolt a spring bolt and a deadbolt. The spring is compressed to unlock the bolt and when released it snaps into a locked position. Spring bolt a spring latch is a bolt held in place by a spring clip. A standard interior door handle requires one bore hole usually 2 1 8 in diameter and one edge bore usually 1 in diameter.

When the handle is turned the latch retracts allowing the door to be opened. This piece of metal extends from the door into the frame and holds it closed. The vertical wood frame to which a door is hinged to create a door unit. The latch bore also known as the edge bore is the hole drilled from the side of the door into the cross bore to allow the latch of the lock to be installed and to accommodate the sliding of the deadbolt.

The diameter of the latch bore is generally 1 to accommodate bolts from either mechanical or electronic locksets. Kerf cut in the jamb where the weatherstrip is installed. A bolt used to on a non active door to keep it stationary. The latch keeps the door closed and when the knob is turned allows the door to open.

A tubular entry door handle set requires two such bores that are usually spaced either 3 5 8 or 5 1 2 apart from center to center. Most of us are more familiar with its cousin pvc especially in reference to pipes. It also allows the door to be installed into a wall. The latch is the mechanism that slides into the enge of the door and retracts or protrudes with the turn of the door knob.

The lock engages a bolt inside the door. Door which is hinged so that it can be opened both inward and outward. It is flush with the face or edge of the door when retracted. The bolting mechanism is the metal piece that extends from the center of the doorknob into the door frame s latch hole to keep the door closed.

Door and lock terminology pvcu the full name being poly vinyl chlorate unplasticised is a material used to manufacture a wide range of products including windows and doors. Lever lever handle a lever or lever handle has the same functionality as a door knob but has a different appearance. Inactive caps used for a fixed door i e. Any door lock set or latch set that requires a bore hole and an edge bore for installation.

H the hinged part is called the hasp which is fitted to the door or lid of a box and shuts over the staple which is on the door frame or other leaf of a pair of doors or the body of the box. A door latch is a shaft that protrudes from the edge of a door panel and into the door frame securing the panel in place. The difference between the two is that pvcu is a more durable material. Inswing door that opens into the house when the hinged door panel is open.