Knife with double-ended rotatable blade

Details Knife with double-ended rotatable blade Knife with double-ended rotatable blade

2006-10-24

2006-10-24

Payer, Hwei-Siu (Department: 3724)

Cutlery

Sheathed

Pivoted blade

C030S155000

Reexamination Certificate

active

07124510

ABSTRACT:
A long blade of a knife has first and second working end portions disposed at opposite sides of the blade central portion. The central portion of the blade is pivotally attached to a handle such that, in a first position, the first working end portion is exposed for use and the second working end portion extends along the handle, and in a second position, the second end portion of the blade is exposed for use and the first end portion of the blade extends along the handle. A spring biased locking mechanism is provided to retain the blade in either of the first or second positions.

REFERENCES:
patent: 98949 (1870-01-01), Gerelds
patent: 234378 (1880-11-01), Pierce
patent: 234731 (1880-11-01), Slayton
patent: 978165 (1910-12-01), Johnson
patent: 1552361 (1925-09-01), Trombley
patent: 2343175 (1944-02-01), Evinger
patent: 2820291 (1958-01-01), Philippar
patent: 4442559 (1984-04-01), Collins
patent: 4606123 (1986-08-01), Wrench
patent: 4608757 (1986-09-01), Eckerle
patent: 4651419 (1987-03-01), Reed, Jr.
patent: 5093995 (1992-03-01), Jan
patent: 5404646 (1995-04-01), Naifeh
patent: 5966816 (1999-10-01), Roberson

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