Hand tools

Details Hand tools Hand tools

1976-07-16

1977-06-28

Jones, Jr., James L.

Cutlery

Cutting tools

Plural cooperating blades

B26B 1316

Patent

active

040316211

ABSTRACT:
A hand tool, such as a pruner, has two pivotally movable members which are biassed open by a spring. A catch, for locking the tool in the closed position, is fitted into a non-circular aperture in a part of one of the members which overlaps the other member, the shank of the catch being undercut to allow the catch to rotate in the aperture, but prevent its withdrawal from the aperture except in the rotational position in which it was inserted into the aperture. A detent is provided, for rotation by the catch to engage and lock the members together. The member containing the catch is so shaped that the detent can be fitted to or withdrawn from the catch only in a position in which the shank of the catch is locked in the member. Consequently, so long as the detent remains in position in the catch, the catch cannot be removed.

REFERENCES:
patent: 2310959 (1943-02-01), James
patent: 2734268 (1956-02-01), Grinling
patent: 3559286 (1971-02-01), Pfaffenbach
patent: 3775846 (1973-12-01), Johnson

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