Tumbler type lock apparatus

Details Tumbler type lock apparatus Tumbler type lock apparatus

2011-06-07

2011-06-07

Nguyen, Tai T (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S541000, C340S426100, C340S005610, C340S005730, C340S005700, C070S262000, C070S348000, C070S373000, C070S377000, C070S387000, C070S392000, C070S492000

Reexamination Certificate

active

07956741

ABSTRACT:
A tumbler-type lock apparatus for use with a tumbler-type card key having a code pattern region including an array of holes and non-hole portions that expresses a key code of the tumbler-type card key. The tumbler-type lock apparatus includes a slider case and a slider movable relative to the slider case when the tumbler-type card key is inserted into the tumbler-type lock apparatus. Tumblers extending in the slider case and slider each correspond to one of the holes or non-hole portions. Springs bias the tumblers towards the slider. The tumbler-type lock apparatus verifies the tumbler-type card key when the tumblers are engaged with the slider case and slider during insertion of the tumbler-type card key. The slider includes accommodation portions. A distal end of the tumbler that has passed through the corresponding hole of the tumbler-type card key is accommodated in the corresponding accommodation portion.

REFERENCES:
patent: 4149394 (1979-04-01), Sornes
patent: 5025647 (1991-06-01), Muus
patent: 5181407 (1993-01-01), Wu
patent: 5961816 (1999-10-01), Benazzi et al.
patent: 5986564 (1999-11-01), Fraser
patent: 3090369 (2002-12-01), None
patent: 2004-076375 (2004-03-01), None

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