Locks – Portable – Fetters
Patent
1980-02-05
1981-08-04
Wolfe, Robert L.
Locks
Portable
Fetters
49 34, 70371, 70DIG57, E05B 7300
Patent
active
042815240
ABSTRACT:
A cable lock for one end of a barrier cable of the type suspended between a pair of spaced upstanding supports, wherein one end of the cable is permanently secured to one support and the other end is detachably secured to the second support. The second support is cut away at its top end to define a step, and a main lock body is secured to the vertical wall of the step, spaced above the horizontal wall of said step. A metal plate is secured to the vertical wall between the lock body and said vertical wall. The plate has an opening registering with the cable bore of the second support. The lock body has an enlarged recess defining an inside top shoulder at the plate. The cable has an enlarged ferrule receivable in the recess via the cable bore and the registering opening of the plate. The ferrule is clamped in an elevated position in the recess to lockingly interengage with said inside shoulder by a vertical Acme-treaded clamping Allen screw in the lock body. Below the clamping screw the lock body contains a cylinder lock with a key-releasable center plug which normally blocks access to the Allen screw from below. When the proper key is employed, the center plug drops out, allowing access to the Allen screw for unscrewing it and lowering the cable ferrule so that the cable can be disengaged from the second support.
REFERENCES:
patent: 1331778 (1920-02-01), Michell
patent: 3435642 (1969-04-01), Del Pesco
patent: 3637180 (1972-01-01), Parry
patent: 3990182 (1976-11-01), Linder
patent: 4028916 (1977-06-01), Pender
patent: 4033160 (1977-07-01), Mima
patent: 4055973 (1977-11-01), Best
patent: 4075878 (1978-02-01), Best
patent: 4086795 (1978-05-01), Foster
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