Folding knife with moveable pivot axis

Details Folding knife with moveable pivot axis Folding knife with moveable pivot axis

1994-06-24

1996-03-05

Payer, Hwei-Siu

Cutlery

Sheathed

Pivoted blade

30161, B26B 306

Patent

active

054956749

ABSTRACT:
A knife having a casing and a blade pivotally mounted thereto includes a user actuated button slidably mounted to the casing for producing movement of the blade between fully open and closed terminal positions. The button is disposed on the end of an elongated shaft which fully extends through a spring, pawl, casing, and a blade. The spring and pawl are respectively positioned adjacent the button and between the outwardly facing surface of the casing and the spring. The pawl includes a legged portion which extends into the casing and is fixedly attached to the blade. The pawl is further operatively positioned in relation to a plurality of bosses extending upwardly in longitudinal linear relation from the outwardly facing surface of the casing. As a user slides the button in a predetermined direction, the pawl correspondingly slides and rotates about each successive boss. The sliding, rotating motion of the pawl is directly transferred to the blade, thereby moving the blade between its terminal positions. The elongated shaft further includes a flanged end positioned opposite the user actuated button. The flanged end lockingly engages in one of a plurality of detents thereby locking the blade in a desired position.

REFERENCES:
patent: 1647405 (1927-11-01), Giesen
patent: 3868774 (1975-03-01), Miori
patent: 4893409 (1990-01-01), Poehlmann
patent: 4897922 (1990-02-01), Brooker
patent: 4918820 (1990-04-01), Korb et al.
patent: 5111581 (1992-05-01), Collins

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