Thumb lock for a butterfly knife

Details Thumb lock for a butterfly knife Thumb lock for a butterfly knife

2005-02-01

2005-02-01

Ashley, Boyer D. (Department: 3724)

Cutlery

Sheathed

Folding sheath

C030S161000, C030S340000

Reexamination Certificate

active

06848183

ABSTRACT:
A locking mechanism is coupled to a distal end of the butterfly knife for securing the butterfly knife in an open position and in a closed position. The locking mechanism has a movable magnetic component coupled to a distal end of the first handle component. The magnetic component is magnetically coupled to a metallic surface of the second handle component to lock the butterfly knife. At least one spring device is movably coupled to the magnetic component. The spring device is used for moving the magnetic component in a downward manner to free the magnetic component from the metallic surface of the second handle component to unlock the butterfly knife.

REFERENCES:
patent: 881294 (1908-03-01), Billings
patent: 1659418 (1928-02-01), Werner
patent: 1665955 (1928-04-01), Gatewood
patent: 2820291 (1958-01-01), Philippar
patent: 4330937 (1982-05-01), Cope
patent: 4364174 (1982-12-01), De Asis
patent: 4547965 (1985-10-01), Moore
patent: 4648145 (1987-03-01), Miceli
patent: 4669140 (1987-06-01), Miceli
patent: 4672743 (1987-06-01), Grahm
patent: 5782001 (1998-07-01), Gray
patent: 6195898 (2001-03-01), Lemisch
patent: 6715208 (2004-04-01), Lemisch

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