Lock with shielded shackle

Details Lock with shielded shackle Lock with shielded shackle

1988-11-14

1990-02-20

Wolfe, Robert L.

Locks

Portable

Padlocks

70 56, 70 63, E05B 6706

Patent

active

049015435

ABSTRACT:
A shackle-equipped lock with shielded shackle includes a housing enclosing a locking mechanism and a top wall with first and second bores therein. There is a shackle comprising a shaft and an inverted, generally U-shaped clasp, with the shaft lower end adapted for making locking engagement within the first bore and its upper end making a hinge joint with a first end of the clasp. The other end of the clasp is adapted for making locking engagement within the second bore, and in an unlocked condition the clasp is pivotable at the hinge about an axis which is perpendicular to the plane in which the shackle generally lies. A protective shield having a front wall, rear wall and spaced apart side walls, extends upwardly from the housing top wall, and surrounds the bores, and the front wall is spaced sufficiently from the second bore to allow the unlocked lower end of the clasp to pass when it is pivoted open.

REFERENCES:
patent: 241279 (1881-05-01), Barth
patent: 1420578 (1922-06-01), Reichstein
patent: 1423840 (1922-07-01), Durbin
patent: 3834195 (1974-09-01), Winkhaus
patent: 4238941 (1980-12-01), Helopoff
patent: 4718259 (1988-01-01), Appelbaum

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