Locks – Special application – For closures
Patent
1983-12-16
1985-05-07
Smith, Gary L.
Locks
Special application
For closures
70134, 292147, 292DIG46, E05B 6508
Patent
active
045149968
ABSTRACT:
A sliding door lock in which a bolt is longitudinally slidable by manual movement of a handle to which the bolt is connected so that the bolt is axially rotatable to prevent the cutting of the bolt when locked. The handle slides linearly along a base plate to move the bolt between opened and closed positions. A bullet latch in the handle engages detents on the base plate to hold the handle and bolt in the open and closed positions. A key-operated barrel lock has a barrel groove through which the bolt passes when the lock is in the unlocked position, and the bolt has a circumferential constriction which receives the barrel lock barrel when the barrel lock is rotated to its locked position, thereby preventing movement of the handle and bolt to the open position.
REFERENCES:
patent: 2100622 (1937-11-01), Adams
patent: 2264962 (1941-12-01), Adams
patent: 2468406 (1949-04-01), Mora
patent: 2991643 (1961-07-01), Hitt
patent: 4168854 (1979-09-01), Fujitaki
Belwith International Ltd.
Dubnicka Thomas J.
Smith Gary L.
Thornton Robert R.
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