Inside Door Handle Mechanism
Inner working of a simple door handle mechanism and how to reverse the latch.
Inside door handle mechanism. The bolting mechanism has a spindle that retracts from the door frame when one of the handles is twisted allowing the door to open. They are a quality replacement for worn out broken or missing factory parts. The splines where the handles mount are the same dimensions as the originals and will provide years of service. This door opening mechanism spends its time inside the door where rain dust dirt and rust can freeze it solid.
Inside both door handle and deadbolt locks are spring loaded pins which are lifted by the uneven edges of the key allowing the door to be unlocked when the pins move into their. 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. How doers get more done. This is the spring loaded piece that protrudes past the door keeping the door closed.
The door release mechanism also holds the door handle and multiplies the force of you pulling back the handle and transfers it to the door latch mechanism to open the door.