Cutlery – Sheathed – Pivoted blade
Patent
1994-12-27
1996-04-02
Payer, Hwei-Siu
Cutlery
Sheathed
Pivoted blade
30160, B26B 102
Patent
active
055028950
ABSTRACT:
A folding blade pocket knife including: an elongated handle, defining first and second lateral walls and a cross-sectionally U-shape lengthwise channel therebetween; an elongated cutting blade, sized to fit within the U-channel; a knurled rotary button, pivotally mounting an inner end of the cutting blade to a front end of the handle first wall; a liner lock assembly, including an elongated leaf spring blade, fixedly connected at a rear end thereof to a rear end of the handle second wall, and defining a front portion pretensioned toward and against a front portion of the handle first wall, whereby the leaf spring blade front portion extends transversely of the U-channel to prevent engagement of the cutting blade into the U-channel; and a slider operated cable for pulling the leaf spring blade front portion away from the handle first wall, whereby the leaf spring blade clears the U-channel to enable engagement of the cutting blade into the U-channel. The cutting blade is therefore pivotably between a retracted position, extending within the U-channel, and an extended operative position, extending away from the handle coaxially thereto. Manual rotation of the knurled rotary button allows manual blade extension, without contacting the blade and in an economically efficient fashion.
REFERENCES:
patent: 1931360 (1933-10-01), Schrade
patent: 4095337 (1978-06-01), Pharr
patent: 4177560 (1979-12-01), Sakurai
patent: 4347665 (1982-09-01), Glesser
patent: 5009008 (1991-04-01), Yablonovitch
patent: 5331741 (1994-07-01), Taylor, Jr.
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