U-shape lock

Details U-shape lock U-shape lock

1997-08-27

1998-08-11

Gall, Lloyd A.

Locks

Portable

Padlocks

70 28, 70 52, E05B 3702

Patent

active

057911690

ABSTRACT:
A U-shaped lock includes a U-shaped bar, a cross bar and a lock body mounted therein, such that a user is able to achieve a locking process by the U-shaped bar and the cross bar no matter whether the combination input by a user of the lock body coincides with the predetermined sequence.

REFERENCES:
patent: 546969 (1895-09-01), Bozano
patent: 556573 (1896-03-01), Bozano
patent: 877682 (1908-01-01), Turman
patent: 970856 (1910-09-01), Simisky
patent: 1034263 (1912-07-01), Lorey
patent: 1117417 (1914-11-01), Meepos
patent: 1146443 (1915-07-01), Pellegrino
patent: 1205781 (1916-11-01), Pirog
patent: 4621509 (1986-11-01), Mizuno
patent: 5406811 (1995-04-01), Nakai
patent: 5560232 (1996-10-01), Chen

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