Two-edged multi-purpose artistic technical knife

Details Two-edged multi-purpose artistic technical knife Two-edged multi-purpose artistic technical knife

1986-08-15

1988-03-08

Watts, Douglas D.

Cutlery

Sheathed

Sliding blade

303465, 3034661, B26B 108, B26B 900

Patent

active

047291680

ABSTRACT:
An artistic technical knife which has a double-edged blade having a sharpened point at its terminus and a number of frangible recesses extending at oblique angles from one edge of the blade to the opposite side of the blade to divide the blade into a number of triangles; a blade holder; and a push knob for extending and retracting the blade from the blade holder; wherein the outermost triangle on the blade can be severed and removed at the outermost cleavage recess to provide a new sharpened point at the terminus of the blade.

REFERENCES:
patent: 1581694 (1926-04-01), Smith
patent: 1584826 (1926-06-01), Strand
patent: 1734554 (1929-11-01), Behrman
patent: 3448518 (1969-06-01), Sklar

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