Closure fastener

Details Closure fastener Closure fastener

1979-12-11

1981-11-17

Moore, Richard E.

Closure fasteners

Bolts

Loops

292DIG31, 292DIG49, E05C 502

Patent

active

043007945

ABSTRACT:
A positive acting non-handed flush mounted fastener or lock ideally suited to casement windows and other swinging closures is provided. No parts project into the room to interfere with window hangings and when the sash or other closure is locked, no parts project into the light or sight line. A compound locking action employing a pivoted locking lever, a latch connected with the locking lever through a toggle and toggle link, and a cam track for the toggle link and latch provided in a casing for the lock develops great force to draw in or release a sash or other closure.

REFERENCES:
patent: 3034817 (1962-05-01), Willis
patent: 3534992 (1970-10-01), Swanson
patent: 3584906 (1971-06-01), Budzyn
patent: 3706467 (1972-12-01), Martin
patent: 4025094 (1977-05-01), Mitchell

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