Closure fasteners – Portable
Patent
1981-02-02
1983-08-23
Moore, Richard E.
Closure fasteners
Portable
292DIG47, E05C 1918
Patent
active
044000278
ABSTRACT:
The window lock includes in combination a cylindrical barrel suitable for recessed installation and a special key for insertion and removal of the barrel from a window sash. The cylindrical barrel is fabricated of suitable length to seat within a bore drilled entirely through the lower sash and a portion of the upper sash of a double hung type window. The bore is drilled of sufficient depth to recess entirely the barrel so that there are no interiorly projecting or otherwise exposed parts. The barrel is interiorly formed with a recessed socket and the special key is provided to engage the socket for barrel removal purposes when it is desired to open the window.
REFERENCES:
patent: 420298 (1890-01-01), Minder
patent: 1461554 (1923-07-01), Raffay
patent: 3019521 (1962-02-01), Clark
patent: 4068506 (1978-01-01), Phelps
"Window Locks" appearing on pp. 140, 141 of Mar., 1979 Edition of Consumer Reports.
Moore Richard E.
Spivak Karl L.
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