Padlock cover and shackle seal therefor

Details Padlock cover and shackle seal therefor Padlock cover and shackle seal therefor

1978-12-26

1980-09-30

Wolfe, Robert L.

Locks

Portable

Padlocks

70 53, 70 55, E05B 6738

Patent

active

042248132

ABSTRACT:
This invention relates to a watertight seal for padlock shackles to be used in combination with a waterproof cover therefor, such seal comprising a pair of continuous annular downwardly-facing abutments on the legs of the shackle cooperating in the closed position of the latter with the opposed surfaces of the lock cover to define an annular gap sized and adapted to receive and compress an O-ring seal encircling the shackle legs. In one form of the invention, annular grooves in the shackle legs receive inturned annular ribs on removable collars to maintain the latter in fixed position whereas, in a second form, this same objective is achieved by ear-like stops on the shackle itself. In yet another form, the shackle-receiving openings in the lid of the lock cover are bordered by annular grooves sized to receive and retain the O-rings. In the preferred form of the invention the shackle-receiving openings in the lock cover lid are oversized to loosely receive the shackle legs.

REFERENCES:
patent: 2375488 (1945-05-01), Olson
patent: 2904985 (1959-09-01), Murphy
patent: 3848440 (1974-11-01), Manuel
patent: 3858419 (1975-01-01), Hampton

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