Closure fasteners – Bolts – Multiple
Patent
1977-12-01
1979-08-28
Frazier, Roy D.
Closure fasteners
Bolts
Multiple
2923363, 292356, E05C 500
Patent
active
041658949
ABSTRACT:
A spring-loaded lock assembly for a window or other closure member includes a pair of elongated locking rods carried on the closure member for longitudinal movement to permit the outer ends of the rods to be advanced and retracted relative to cavities in the frame for the closure member. A handle receives the inner ends of the rods and advances and retracts the rods in the longitudinal direction in response to rotational movement of the handle to lock and unlock the closure member. A unitary base member fastened to the closure member supports the handle for rotational movement and forms two pairs of integral stops for limiting the rotational movement of the handle in opposite directions about its axis. Biasing means are carried on the locking rods for urging the locking rods toward the respective stops. The base member includes means for holding the inner ends of the locking rods in the handle while permitting handle rotation. The base member also forms spring fingers for capturing the handle on the base member.
REFERENCES:
patent: 605919 (1898-06-01), Sayre
patent: 682117 (1901-09-01), Sayre
patent: 2427909 (1947-09-01), Howell
patent: 3843173 (1974-10-01), Harrell
Amerock Corporation, Drawing No. 60-V-7180, Mar. 22, 1971.
Amerock Corporation
Frazier Roy D.
Lyddane William E.
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