초록 ▼

This invention is directed to a door latch having an auxiliary bolt which activates the latch bolt, and the use of a latch to confine small children in the home. The auxiliary bolt has a hinged beveled end which pivots when the door is opened but is fixed when the door is closed to activate the latc

This invention is directed to a door latch having an auxiliary bolt which activates the latch bolt, and the use of a latch to confine small children in the home. The auxiliary bolt has a hinged beveled end which pivots when the door is opened but is fixed when the door is closed to activate the latch. The latch is placed five feet above the floor to prevent a small child from opening the door. The latch has a guard plate below the door handle to prevent a small child from opening the latch with a stick. The latch can be mounted on any side of any door.

대표청구항 ▼

[ I claim:] [1.] A latch for a door comprising a spring pressed latch bolt having a notch therein, a casing, a handle operable from either side of the casing for retracting the latch bolt into the casing to a predetermined position, a dog rotatably positioned in the notch, a spring positioned betwee

[ I claim:] [1.] A latch for a door comprising a spring pressed latch bolt having a notch therein, a casing, a handle operable from either side of the casing for retracting the latch bolt into the casing to a predetermined position, a dog rotatably positioned in the notch, a spring positioned between the casing and the dog biasing the dog into the notch, an auxiliary bolt, spring biased to project from the casing and slidable relative to the casing, a pin extending from the auxiliary bolt movable into contact with the dog when the auxiliary bolt is retracted into the casing to release the dog from the notch and releasing the latch bolt to a locked position, the auxiliary bolt comprising a main body portion and a beveled end portion, having a beveled face, joined to the main body portion by a spring biased one way hinge which does not allow rotary movement from an extended position of the beveled end portion when the beveled face is in contact with a striker plate, causing the auxiliary bolt to retract by movement across the striker plate, a striker plate having an opening therein for the insertion of an extended end of the auxiliary bolt in unretracted position when the door is closed.