Once the key is removed the spring will automatically push the latch back out.
How does a screen door lock work.
Its structure provides additional protection from unauthorized entry.
A sliding screen door is typically installed to protect the inner door from the elements which can cause damage it.
The string is spring loaded and pulls the door shut after its been opened.
The cam then releases a spring which shoots the tang forward securing the door to the wall.
Though a screen door can never be a secure barrier to entry into your home or patio area a screen door lock is nevertheless a necessity.
Lever sets and handle sets.
They are the type that has the snib small switch latch to lock without a key on the inside and an auxiliary bolt which extends the main bolt when it hits the strike plate.
In addition fitting the screen door with a lock will make it harder for burglars to enter the home.
One of the simplest ones works like a retractable leash.
Entry knob sets are typically equipped with a keyed lock on the outside knob and a button activated lock on the inside knob.
There are a number of different screen door closers that automatically close the door after its been used.
Rains winds snow and debris.
The tang cannot be withdrawn until the process is reversed.
The button lock on the inside knob works the same way that it does on a privacy knob set but the door can also be opened from the outside with the use of a key.
How to fix a faulty latch on a screen door.
Flick the snib and it locks.
A key is necessary to release the tang.
It says mkii on the unit.
Upon removing the lock from the trailer door i discover the screws holding the rear plate of the lock had vibrated part way out.
The key turns the cylinder which in turn turns something called a cam.
Both worked fine after the locksmith installed.
The key to match the particular lock lifts the pins to the correct height to allow the latch the part that protrudes into the door frame to be pulled back against the spring allowing the door to open.
It has a string which attaches to the door and a plastic housing which mounts to the jamb.
How sliding doors move.