Striking box for retaining the bolt of a door lock

Details Striking box for retaining the bolt of a door lock Striking box for retaining the bolt of a door lock

1979-07-25

1981-11-24

Moore, Richard E.

Closure fasteners

Keepers

With movable dog, catch or striker

E05C 1302

Patent

active

043020399

ABSTRACT:
Striking box for retaining the bolt of a door lock, comprising a bolt stop, an activating device for moving the bolt stop, a signalling switch and a mechanism mounted between the activating device and the bolt stop which ensures that the movement of the bolt stop is at first either prevented or delayed. The path of the bolt stop is crossed by a latch which is not directly connected to the bolt stop. The activating device and the latch are coupled so that the latch operates the signalling switch (28) before the bolt stop releases the bolt and after the bolt stop retains the bolt.

REFERENCES:
patent: 813119 (1906-02-01), Smith
patent: 4017107 (1977-04-01), Hanchett

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