Patent ID: 11952812
Assignee: nan
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 50:
51. A method for locking and unlocking a door with minimal contact, comprising:
providing a door lock having a striker, a locking pin and a push-push engaging and disengaging mechanism coupling a handle to the locking pin;
providing a return mechanism having a first end. attached to a fixed surface and a second end coupled to the door;
compressing the striker against a stake plate mounted to a door frame to unlock a movement of the handle;
extending, by the push-gush engaging and disengaging mechanism, the locking pin into a hole formed on the strike plate in response to the striker being compressed against the strike plate;
retracting, by the push-push engaging and disengaging mechanism, the locking pin from the hole in the strike plate in response to a force exerted on the handle such that the door is placed in an unlocked state; and
activating the return mechanism to automatically place the unlocked door in a semi-open position.