Adjustable spring tension pocketknife

Details Adjustable spring tension pocketknife Adjustable spring tension pocketknife

1978-04-24

1980-03-04

Spruill, Robert Louis

Cutlery

Sheathed

Pivoted blade

B26B 102

Patent

active

041909534

ABSTRACT:
A folding blade pocketknife having a pivotally mounted leaf-type spring, one end of the spring being in contact with a cam surface of a pivotally mounted blade, the opposite end of the spring being in contact with a moveable surface, said moveable surface being adjustable for adjusting the effective tension of the knife blade.

REFERENCES:
patent: 400987 (1889-04-01), Wilzin
patent: 689513 (1901-12-01), Papendell
patent: 988068 (1911-03-01), Beardsley

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