Multi-bolt door lock

Details Multi-bolt door lock Multi-bolt door lock

1989-08-01

1991-04-02

Gall, Lloyd A.

Locks

Special application

For closures

292 33, E05B 5900

Patent

active

050037960

ABSTRACT:
A door lock which includes a first bolt mounted movably in a housing and biased to a latching position, and an elongated second bolt member lying in a vertical plane and mounted movably below the first bolt. A first actuating plate is provided adjacent the first notched face and turnable about a horizontal axis to push the notched face so that the second bolt is moved to a latching position or an unlatching position. A first locking plate is cooperatively associated with the second bolt and biased to move upward to a position in which the first locking plate locks the second bolt against movement. Improvements are provided such that the second bolt member further has a second notched face in the upper end near the rear end of the second bolt member, and a second actuating plate is provided adjacent to the second notched face to push the second notched face so as to move the second bolt member.

REFERENCES:
patent: 22146 (1858-11-01), Moore
patent: 78962 (1868-06-01), Harrington
patent: 89931 (1869-05-01), Jones
patent: 865421 (1907-09-01), Muller
patent: 1554513 (1925-09-01), McGeoch

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