Combined combination lock and padlock

Locks – Portable – Padlocks

Reexamination Certificate

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Details

C070S029000, C070S030000, C070S046000, C070S049000, C070S284000, C070S285000

Reexamination Certificate

active

06997023

ABSTRACT:
Provided is a combined combination lock and padlock comprising a second shackle receiving hole including an inside slot at one leg of a shackle of steel rope for receiving a spring depressible block, a tumbler wheel assembly, a key turning assembly, a pivot assembly, a push button, and a U-shaped shackle, A correct combination of tumblers and a subsequent pressing of the push button will disengage a dog with the slot and thus expansion of the block will push the leg out of engagement with the lock. Should either the combination be forgotten or the combination be changed by another person, a turning of the shaft about 90 degrees by inserting a key into the keyhole will turn the projection and the engaged engagement member for releasing the dog.

REFERENCES:
patent: 1117417 (1914-11-01), Meepos
patent: 1300983 (1919-04-01), Luckey
patent: 1316037 (1919-09-01), Hewitt
patent: RE29277 (1977-06-01), Harrington et al.
patent: 4325240 (1982-04-01), Gable
patent: 5134869 (1992-08-01), Gable
patent: 5359867 (1994-11-01), Ling et al.
patent: 5560232 (1996-10-01), Chen
patent: 5782113 (1998-07-01), Chen
patent: 5901587 (1999-05-01), Chen
patent: 6082155 (2000-07-01), Su
patent: 6363758 (2002-04-01), Ling
patent: 6381997 (2002-05-01), Chen
patent: 6470718 (2002-10-01), Yang
patent: 6539761 (2003-04-01), Yang
patent: 6708534 (2004-03-01), Ruan
patent: 6792778 (2004-09-01), Chen
patent: 6928842 (2005-08-01), Huang
patent: 2002/0073747 (2002-06-01), Chen
patent: 2002/0088256 (2002-07-01), Taylor et al.
patent: 2002/0194887 (2002-12-01), Chang
patent: 2003/0000264 (2003-01-01), Yang

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