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.
Available in a large variety of sizes and finishes to ensure you can replace.
The door handle has only a lever handle or knob which operates this latch.
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.
While most latch mechanisms use a retracting tubular latch mechanism that goes in when the handle is turned some doors like closets use a ball latch.
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This is the spring loaded piece that protrudes past the door keeping the door closed.
Simulating opening the door without the latch extending into and retracting out of the strike plate.
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.
Door latches join the two surfaces together and then secures them in place using a strike plate on the opposite side.
The service kit is for keyed entry door latches and provides square and round face plates in polished brass and a drive in collar.
Perhaps the most important of all door handle parts is the latch mechanism.
Doors fitted with this handle have a latch that keeps the door shut.
The handle or knob must be jiggled to unstick the latch.
An improperly functioning latch may be the result of a poorly fitting door.
Inner working of a simple door handle mechanism and how to reverse the latch.
Once the door is open try to actuate the door latch with the handle.
More force is needed to turn the knob and unstick the latch.