Padlock

Details Padlock Padlock

2007-07-31

2007-07-31

Gall, Lloyd A. (Department: 3676)

Locks

Portable

Fetters

C024S598100, C070S022000, C070S023000, C070S028000, C070S029000, C070S053000

Reexamination Certificate

active

11163638

ABSTRACT:
A padlock comprises a shackle having a first end and a second end and an arm, the arm being extendable along an axis of the arm. The arm further includes a locking mechanism having an axle pivotally connected to the second end and a plurality of tumblers sleeved into the axle, in which the axle defines an inner channel; and a movable connection component having a head and a shaft connected to the head, and when the locking mechanism is in a first position, the head is attached to the first end and when the locking mechanism is in a second position, only the movable connection component is movable along the axis of the arm and the head is detached from the first end.

REFERENCES:
patent: 89826 (1869-05-01), Arnold
patent: 93501 (1869-08-01), Treat
patent: 157258 (1874-11-01), Willbur
patent: 372425 (1887-11-01), Meise
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patent: 901972 (1908-10-01), Kone
patent: 903680 (1908-11-01), Cowie
patent: 940763 (1909-11-01), Whalen
patent: 1034263 (1912-07-01), Lorey
patent: 1092031 (1914-03-01), En Earl
patent: 1205781 (1916-11-01), Pirog
patent: 1507213 (1924-09-01), Singer et al.
patent: 1542016 (1925-06-01), Stull
patent: 1712476 (1929-05-01), Coiro
patent: 4682481 (1987-07-01), Dimmick et al.
patent: 6415634 (2002-07-01), Luquire
patent: 2003/0066319 (2003-04-01), Huang
patent: 2005/0076683 (2005-04-01), Chen

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