Door Latch Door Lock Mechanism Diagram

5 reinstall the completed latch assembly into the door. What is seen besides the handle is the deadbolt knob the inner and outer panels the key entry the bolt plate and the bolt itself. When the actuator moves the latch up it connects the outside door handle to the opening mechanism.

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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.

Door latch door lock mechanism diagram.

The locking mechanism is an intricate series of springs pins cylinders and shafts that work together to secure the door. The bolting mechanism has a spindle that retracts from the door frame when one of the handles is twisted allowing the door to open. 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. A rod con nects the actuator to the latch and another rod connects the latch to the knob that sticks up out of the top of the door.

The cross bore is the main hole drilled into the face of the door where the body of the lock chassis is installed. Inner working of a simple door handle mechanism and how to reverse the latch. Often latches may be sticky broken or ineffective. Diagram showing the parts of a door lock including the knob rose cylinder latch assembly bolt and strike plate.

When changing your latch you may want to consider a flexible latch for a deadbolt or a positive locking latch for added security since standard latches can be forced open easily. In this car the power door lock actuator is positioned below the 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. Parts of a traditional lock cylinder lock body the cylinder or lock body is the part of the door lock where you insert the key.

A door lock is more than just the few visible pieces you frequently come into contact with. A latch is the portion of a door lock that extends into the door frame through the strike plate. An improperly functioning latch may be the result of a poorly fitting door. Insert the cable ferrule into the latch mechanism and rotate 90 degrees with pliers to lock it in place.

4 before re installing the latch assembly attach the other end of the cable to the handle and test that the latch works properly.

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