Cutlery – Sheathed – Pivoted blade
Reexamination Certificate
2005-01-04
2005-01-04
Shoap, Allan N. (Department: 3724)
Cutlery
Sheathed
Pivoted blade
C030S160000
Reexamination Certificate
active
06836967
ABSTRACT:
A folding knife includes a handle and a blade pivotally supported on the handle. A tang of the blade includes a cam surface. The cam surface has a substantially arcuate guiding portion and an engaging portion that extends continuously from one end of the guiding portion. A notch formed on an upper edge of the handle is provided with a lock mechanism. The lock mechanism includes a guide member, which is fixed to the handle in the notch, a hollow lock tube, which is supported on the guide member, and a coil spring, which is accommodated in the lock tube. The lock tube is movable along the longitudinal direction of the handle between a lock position for engaging the engaging portion and an unlock position separated from the engaging portion. When the blade is in the open position, the coil spring moves the lock tube toward the lock position. Thus, the blade is securely locked in the open position.
REFERENCES:
patent: 5111581 (1992-05-01), Collins
patent: 5325588 (1994-07-01), Rogers
patent: 5737841 (1998-04-01), McHenry et al.
patent: 6338431 (2002-01-01), Onion
patent: 6370778 (2002-04-01), Conable
patent: 6397477 (2002-06-01), Collins
patent: 6427335 (2002-08-01), Ralph
patent: 6684510 (2004-02-01), Collins
patent: 6751868 (2004-06-01), Glesser
patent: 20040020058 (2004-02-01), Vallotton
Alie Ghassem
Gerber Sakai Co., Ltd.
Posz & Bethards, PLC
Shoap Allan N.
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