Lock

Details Lock Lock

1989-05-16

1990-09-25

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

70 58, G08B 1314

Patent

active

049596357

ABSTRACT:
A lock for preventing the removal of an object having a first portion with a smaller cross-sectional area than the cross-sectional area of a second portion or the cross-sectional area of a third portion between which the first portion is disposed comprised of a housing having an opening and a removable member. The removable member is disposed in the opening such that when the member is removed at least the second portion or the third portion of the object can fit through the opening in the housing, but when the member is disposed in the opening, only the first portion of the object can fit therethrough. The lock is also comprised of a cable which extends through the housing. The lock can additionally include a device for determining when the cable no longer extends through the housing. The determining device is in communication with the cable.

REFERENCES:
patent: 3714644 (1973-01-01), Hellstrom
patent: 4057983 (1977-11-01), Morgan
patent: 4296615 (1981-10-01), Zoor
patent: 4546345 (1985-10-01), Naito
patent: 4760382 (1988-07-01), Faulkner

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