Cutlery – Sheathed – Sliding blade
Patent
1998-02-19
1999-12-28
Rada, Rinaldi I.
Cutlery
Sheathed
Sliding blade
30152, 30304, 30320, 30335, B26B 108
Patent
active
060064331
ABSTRACT:
A multi-purpose knife for providing multiple blades includes an elongated housing having opposing side portions. Each of the opposing side portions includes a channel extending a length of the housing. The channels each have open outer ends and an open front face defined by opposed upper and lower edges. Central portions of the upper and lower edges include a plurality of teeth. A pair of slide mechanisms are positioned within the channels of the elongated housing. A central member of each slide mechanism has inwardly turned upper end lower edges and a central square hole therethrough. Interior end portions of each central member have blade chambers for holding a razor blade. Each of the slide mechanisms includes a releasable engagement portion disposed within the central hole of its central member. The releasable engagement member includes a pliable tab portion secured to the central member and a push portion secured to a free end of the tab portion. The push portion has upper and lower protrusions extending outwardly therefrom for selectively engaging the teeth of the channels in a locked orientation. Pressing inwardly on the push portion disengages the push portion from the teeth to allow the sliding of the slide mechanism freely within the channel for extending and retracting razor blades positioned within the blade chambers of the slide mechanisms.
REFERENCES:
patent: 2651108 (1953-09-01), Weens
patent: 2736960 (1956-03-01), Armstrong
patent: 4322885 (1982-04-01), Osada
patent: 4884307 (1989-12-01), Flood
patent: 5269063 (1993-12-01), Okada
patent: 5337481 (1994-08-01), Mears
patent: 5497553 (1996-03-01), Chong
patent: 5584123 (1996-12-01), Chi
Ashley Boyer
Rada Rinaldi I.
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