Multistage lock apparatus

Details Multistage lock apparatus Multistage lock apparatus

2011-07-12

2011-07-12

Gall, Lloyd A (Department: 3673)

Locks

Operating mechanism

Combination

C070S293000, C070S30300A, C070S306000, C070S310000, C070S328000, C070S329000, C070S332000

Reexamination Certificate

active

07975517

ABSTRACT:
A multistage lock apparatus has a base, a disk holder, two selecting devices, two disk sets and at least one interfering element. The base has a mounting panel and a central tube. The disk holder is connected to the base and has a mounting beam, two extending beams, a middle beam, a connecting beam and two mounting spaces. The selecting devices are rotatably connected to the base. The disk sets are respectively mounted on the selecting devices in the mounting specs of the disk holder and each disk set has a driving disk and at least one driven disk. The at least one interfering element is mounted securely on the disk holder and each of the at least one interfering element has a mounting tab and two elastic panels.

REFERENCES:
patent: 613280 (1898-11-01), Johnson
patent: 897228 (1908-08-01), Soley
patent: 1158152 (1915-10-01), Albanese
patent: 1194286 (1916-08-01), Gorham
patent: 1320806 (1919-11-01), Sungail
patent: 2925726 (1960-02-01), Miller
patent: 3098376 (1963-07-01), Miller
patent: 3423970 (1969-01-01), Harrell
patent: 4104896 (1978-08-01), Hahn
patent: 4376380 (1983-03-01), Burgess
patent: 5575164 (1996-11-01), Ohsawa
patent: 7383708 (2008-06-01), Liu et al.

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