Knife opening mechanism

Details Knife opening mechanism Knife opening mechanism

1986-06-26

1988-01-19

Kazenske, E. R.

Cutlery

Sheathed

Pivoted blade

30160, B26B 306

Patent

active

047197005

ABSTRACT:
A knife of the type having a casing and a blade pivotably mounted thereto has an actuator button slidably mounted to the casing. The blade has a concentric wheel associated therewith. One end of a non-extensible linkage is connected to the actuator, and the opposite end of the non-extensible linkage is wrapped around a portion of the wheel. When the user exerts a force to slide the actuator, the user-exerted force is transmitted by the non-extensible linkage to rotate the wheel, thereby pivoting the blade from its closed position to its open position.

REFERENCES:
patent: 551052 (1895-12-01), Shonnard et al.
patent: 698080 (1902-04-01), Treas
patent: 1553985 (1925-04-01), Ciesnierski
patent: 1603914 (1926-10-01), Hermann
patent: 2416277 (1945-11-01), Siegel
patent: 2601999 (1952-07-01), Sly
patent: 2808646 (1957-10-01), Lohr

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