The bolting mechanism has a spindle that retracts from the door frame when one of the handles is twisted allowing the door to open.
Door handle latch mechanism.
The most common type of door handle is the lever latch or latch door handle on a backplate found in residential houses and commercial and public buildings.
Once the door is open try to actuate the door latch with the handle.
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.
Smaller than other variations of locks meaning these tubular latches can be fitted with much less effort and minimal cutting and drilling of the door.
Doors fitted with this handle have a latch that keeps the door shut.
An improperly functioning latch may be the result of a poorly fitting door.
More force is needed to turn the knob and unstick the latch.
The door handle has only a lever handle or knob which operates this latch.
Available in a large variety of sizes and finishes to ensure you can replace.
Perhaps the most important of all door handle parts is the latch mechanism.
The handle or knob must be jiggled to unstick the latch.
Inner working of a simple door handle mechanism and how to reverse the latch.
Simulating opening the door without the latch extending into and retracting out of the strike plate.
The service kit is for keyed entry door latches and provides square and round face plates in polished brass and a drive in collar.
The door latch is not extended before rotating the knob.
The lock mechanism may not work simply because the lock is dirty or dry and needs to be lubricated with graphite do not use any type of oil because this will gum up the works.
This is the spring loaded piece that protrudes past the door keeping the door closed.