Pocketknife with a safety lock

Details Pocketknife with a safety lock Pocketknife with a safety lock

2007-07-31

2007-07-31

Rachuba, M. (Department: 3723)

Cutlery

Sheathed

Pivoted blade

C030S160000, C030S161000

Reexamination Certificate

active

11158046

ABSTRACT:
A pocketknife has a handle, a blade, a safety lock and a spring. The handle has a blade seat, a cover, a cavity, a slide slot, a passage and a pivot slot. The blade is mounted pivotally in the cavity and has a proximal end, two opposite edge and two wheels. The wheels are attached respectively to the edges of the blade, and one wheel has an engaging element. The safety lock is mounted slidably in the handle and has a slide and a latch. The slide is mounted slidably in the slide slot. The latch engages detachably the engaging element in the locking wheel on the blade. The spring is mounted in the slide slot in the handle and presses the safety lock so that the latch on the slide engages the engaging element to securely hold the blade when the blade is open or closed.

REFERENCES:
patent: 1397018 (1921-11-01), Priestman
patent: 2199899 (1940-05-01), Watson
patent: 4083110 (1978-04-01), Goldin et al.
patent: 4536959 (1985-08-01), Ross
patent: 5615484 (1997-04-01), Pittman
patent: 5953821 (1999-09-01), Mearns
patent: 6305085 (2001-10-01), Stallegger et al.
patent: 7152327 (2006-12-01), Rudisill et al.
patent: 2006/0168817 (2006-08-01), Kao

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