Combination lock for use on a zipper

Locks – Special application – For portable articles

Patent

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Details

70312, E05B 6568

Patent

active

049744321

ABSTRACT:
A combination lock for use on a zipper comprises a first shell and a second shell fastened together to form a lock housing. A ring is disposed on the second shell for connecting the lock to the zipper. A pushing block is slidably disposed on the second shell and has a pressed position and a released position. A spring biases the pushing block outwardly to keep it in the releasing position. A two gear assembly is rotatably disposed on the second shell and each has a breach on its edge, and a numbering wheel assembly is rotatably disposed between the first shell and each gear assembly for controlling the rotation of the gear assembly. Protrusions are disposed on the pushing block for engaging with each breach when the pushing means is in the pressed position. A hook is disposed on the pushing block for locking the lock to a ring affixed to a piece of luggage when the ring is inserted into an opening in the second shell.

REFERENCES:
patent: 3973419 (1976-08-01), Atkinson
patent: 4244086 (1981-01-01), Gregg
patent: 4262502 (1981-04-01), Oda
patent: 4366685 (1983-01-01), Bako et al.
patent: 4691540 (1987-09-01), Murase
patent: 4756173 (1988-07-01), Yang
patent: 4790156 (1988-12-01), Yang
patent: 4817769 (1989-04-01), Saliba
patent: 4884419 (1989-12-01), Ling

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