Understanding the different parts that work together to make a door handle and lock work can help you fix minor problems on your own.
Tongue of door handle that clicks into the jamb.
On doorknobs that have a lock it is employed by a small lever or push button on the interior handle.
The reason the strike plate has become misaligned might have something to do with moisture expanding the wood of your door or perhaps even an issue with the foundation of your home not being secure.
Turn the door knob several times back and forth to distribute the lubricant.
You can make sure that it is the latch by looking at the strike plate and noticing if the tongue sets in the strike plate correctly.
Spray a shot of graphite around the inside edge of the latch bolt hold.
Wipe off any excess with a rag.
True vertical and strength of.
A very common problem that is associated with door knobs is that they do not latch properly.
A key is required to open the door from the exterior side of the door.
When this happens the door does not shut and opens up at any time.
The issue with the door latch stuck only when you are attempting to open a closed door but not when the door is open you might have a misaligned strike plate.
The lock prevents the spindle of the bolting mechanism from retracting from the door frame making it impossible to open the door.