Combination lock

Details Combination lock Combination lock

1988-05-06

1989-10-31

Gall, Lloyd A.

Locks

Special application

For closures

49325, 49394, 70 93, 70312, E05B 3702, E05F 1104

Patent

active

048768642

ABSTRACT:
A combination lock for a panel and a frame is provided. The panel and the frame are such that the panel can move relative to the frame and the combination lock is such that it can lock the panel relative to the frame. The panel has an arm member extending therefrom and the lock releasably prevents the arm member from moving so as to inhibit opening of the panel. In one embodiment the panel can be a swing-out type window. In another embodiment it can be a sliding panel such as a glass door or window.

REFERENCES:
patent: 345270 (1886-07-01), Beggs et al.
patent: 1649724 (1927-11-01), Olinger
patent: 2118635 (1938-05-01), Zingman
patent: 2454794 (1948-11-01), Hakanson
patent: 2660873 (1953-12-01), Bennett et al.
patent: 3459016 (1969-08-01), Atkinson
patent: 3633388 (1972-01-01), Atkinson
patent: 3667263 (1972-06-01), Rogers
patent: 3714922 (1973-02-01), Da Silva

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