Double-unlockable lock structure for binding strap

Details Double-unlockable lock structure for binding strap Double-unlockable lock structure for binding strap

2005-04-26

2005-04-26

Gall, Lloyd A. (Department: 3676)

Locks

Portable

Fetters

C070S058000, C070S069000, C070S284000, C070S285000

Reexamination Certificate

active

06883354

ABSTRACT:
A double-unlockable lock structure for binding strap, including a latch seat, a numeral lock module, a latch cover and a button member. A lower latch hook is disposed on one side of the latch seat and drivable by a key-driven lock core. The other side of the latch seat is pivotally connected with the latch cover. The numeral lock module is disposed on the latch cover and has multiple numeral wheels exposed and shown to outer side through numeral wheel windows of the latch cover. The button member extends into the latch seat and is slidably connected under the latch cover. The button member has an upper latch hook for hooking the lower latch hook to keep the latch cover closed on the latch cover in a locked state. When the numeral wheels are turned to a correct unlocking number, a stop board is disengaged from the button member, whereby the upper latch hook of the button member can be unlatched from the lower latch hook of the latch seat to unlock the latch cover. Also, when a key is inserted to drive the lock core, the lower latch hook is pushed and unlatched from the upper latch hook so as to unlock the latch cover.

REFERENCES:
patent: 4912950 (1990-04-01), Crowle
patent: 5117663 (1992-06-01), Ida
patent: 5193368 (1993-03-01), Ling
patent: 5517836 (1996-05-01), Hong
patent: 5692403 (1997-12-01), Ling
patent: 6016675 (2000-01-01), Te
patent: 6189348 (2001-02-01), Huang
patent: 6684667 (2004-02-01), Young

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