Pin tumbler lock releasing system

Details Pin tumbler lock releasing system Pin tumbler lock releasing system

2011-08-23

2011-08-23

Beach, Thomas (Department: 3674)

Locks

Operating mechanism

Key

C070S395000, C070S492000

Reexamination Certificate

active

08001816

ABSTRACT:
A pin tumbler lock releasing system includes keyway insertible and universally configured lift, key and shim devices that cooperatively work to raise the pin stacks within a pin tumbler lock to just above the pin tumbler lock's shear line so that its plug element may be rotated within its outer casing in order to disengage its locking mechanism.

REFERENCES:
patent: 4667494 (1987-05-01), Joosten
patent: 4712401 (1987-12-01), Monahan
patent: 5701773 (1997-12-01), Markisello
patent: 6119495 (2000-09-01), Loreti
patent: 6134928 (2000-10-01), Kang
patent: 6148652 (2000-11-01), Magini et al.
patent: 6151936 (2000-11-01), Randall
patent: 7434431 (2008-10-01), Armstrong et al.
patent: 7624606 (2009-12-01), Huang et al.

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