Linkage lock device

Details Linkage lock device Linkage lock device

1994-06-14

1995-12-19

Gall, Lloyd A.

Locks

Portable

Fetters

70 49, 70 53, 411504, 411506, E05B 6712

Patent

active

054759935

ABSTRACT:
A linkage lock device is provided for fastening objects having either regular or irregular shapes. The lock is composed of a plurality of identical arcuate bars having opposing ends of each bar pivotally connected to an end of another one of the bars to form a chain. One of a pair of free ends is formed to receive a lock mechanism which releasably secures the other free end to form a closed loop to encompass the object being secured against theft. Each pivotal coupling is formed by a pin secured through hardened washers into which the ends of the pin are received.

REFERENCES:
patent: 288559 (1883-11-01), Ekl et al.
patent: 565049 (1896-08-01), Test
patent: 574961 (1897-01-01), Troast
patent: 645071 (1900-03-01), Conlan
patent: 1460518 (1923-07-01), Szydlowski
patent: 3747376 (1973-07-01), White, Jr.
patent: 4292007 (1981-09-01), Wagner
patent: 4688317 (1987-08-01), Matuschek
patent: 4760718 (1988-08-01), Muramatsu et al.
patent: 5009557 (1991-04-01), Dessirier

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