Blade lock mechanism for folding knife

Details Blade lock mechanism for folding knife Blade lock mechanism for folding knife

1996-11-21

1998-05-26

Watts, Douglas D.

Cutlery

Sheathed

Pivoted blade

30160, B26B 104

Patent

active

057550352

ABSTRACT:
A liner lock folding knife with an improved liner lock mechanism which can be manufactured satisfactorily by mass production techniques and conventional machine tools. A locking face surface engaged by a contact end of a locking finger is a concave partial cylinder whose central axis of curvature is located in a position offset with respect to the blade, in the direction toward the side of the handle from which the locking finger extends. The concave surface of the locking face has a radius of curvature smaller than the radius of curvature of the path of the contact end of the locking finger.

REFERENCES:
patent: 996235 (1911-06-01), Fuller
patent: 1647405 (1927-11-01), Giesen
patent: 4425709 (1984-01-01), Quenzi
patent: 4896424 (1990-01-01), Walker
patent: 5093995 (1992-03-01), Jan
patent: 5537750 (1996-07-01), Seber et al.
patent: 5596808 (1997-01-01), Lake et al.

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