Padlock

Details Padlock Padlock

2006-10-17

2006-10-17

Gall, Lloyd A. (Department: 3676)

Locks

Portable

Padlocks

C070S025000, C070S03800C

Reexamination Certificate

active

07121123

ABSTRACT:
A padlock comprises a lock body, a shackle, a combination locking device and a key locking device. The shackle is movable relative to the lock body between a locked position and an unlocked position. The combination and key locking devices are installed within the lock body respectively for controlling movements of the shackle. Additionally, the combination locking device has a frame for receiving a first end of the shackle and a combination unit connected to the frame, which is movable when the combination unit is unlock whereby a second end of the shackle is movable to the unlock position. Furthermore, the key locking device comprises a block unit for locking the first end of the shackle and a key unit connected to the block unit, which is movable when the key unit is unlocked by a key.

REFERENCES:
patent: 1141827 (1915-06-01), Reidt
patent: 1390222 (1921-09-01), Wise
patent: 1597560 (1926-08-01), Wise
patent: 4462231 (1984-07-01), Zabel
patent: 4751830 (1988-06-01), Cheng
patent: 4754623 (1988-07-01), Hwang
patent: 4899559 (1990-02-01), Chern
patent: 5396785 (1995-03-01), Chen
patent: 6539761 (2003-04-01), Yang
patent: 6860125 (2005-03-01), Yu
patent: 7007521 (2006-03-01), Misner et al.
patent: 2002/0088256 (2002-07-01), Taylor et al.

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