Window lock

Details Window lock Window lock

1981-10-08

1984-02-07

Holko, Thomas J.

Closure fasteners

Bolts

Swinging

292DIG33, E05C 306

Patent

active

044299109

ABSTRACT:
A window lock operable in association with either a right-hand or left-hand casement window having a cam movable to either one of two different lock positions relative to a keeper mounted on a window sash. One lock position is operative when the window lock is used with a right-hand casement window and the other lock position is operative when the window lock is used with a left-hand casement window. The movement of the cam is effected by a handle connected thereto by structure including connection means providing a mechanical advantage in movement of the cam by the handle.

REFERENCES:
patent: 554448 (1896-02-01), Keil
patent: 865090 (1907-09-01), Eddy
patent: 2136408 (1938-11-01), Bedell
patent: 2326084 (1943-08-01), Westrope
patent: 2789851 (1957-04-01), Lickteig
patent: 2891816 (1959-06-01), Meats
patent: 2948560 (1960-08-01), Rop
patent: 4059298 (1977-11-01), Van Klompenburg
patent: 4127016 (1978-11-01), Ibsen

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