Lock mechanism

Details Lock mechanism Lock mechanism

1995-05-08

1999-02-02

Meyers, Steven N.

Closure fasteners

Bolts

Multiple

70111, 70DIG42, E05C 106

Patent

active

058654798

ABSTRACT:
A lock mechanism comprises at least one bolt member moveable between an engaged and a disengaged position. The latch arrangement prevents movement of the bolt members from the engaged position to the disengaged position. A first operating member for operating the lock mechanism is provided on one side thereof and a second operating member and a latch release arrangement are provided on the other side of the lock mechanism. The latch arrangement responds to movement of the first operating member or the latch release arrangement to release the bolt members and allow movement thereof from the engaged position to the disengaged position. The bolt members are further moveable between the engaged and disengaged positions in response to movement of the first or second operating members.

REFERENCES:
patent: 430072 (1890-06-01), Dowd
patent: 1152776 (1915-09-01), Wolfe
patent: 1179731 (1916-04-01), McDonald
patent: 2125227 (1938-07-01), Hammarle
patent: 3792885 (1974-02-01), Giardina et al.
patent: 5083448 (1992-01-01), Karkkainen et al.
patent: 5245846 (1993-09-01), James
patent: 5290077 (1994-03-01), Fleming
patent: 5524941 (1996-06-01), Fleming
patent: 5531493 (1996-07-01), Reynolds
Brochure of Surelock McGill Ltd., published 1991, p. 1.31.1.
"Multiple Bolting Systems for Self Locking Doors", SM Surelock McGill Ltd., 1 sheet (Published 1991).

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