Pivoted hand tool

Details Pivoted hand tool Pivoted hand tool

1996-04-01

1997-12-16

Watts, Douglas D.

Cutlery

Cutting tools

Plural cooperating blades

30192, 30249, B26B 1326, B26B 1300

Patent

active

056971591

ABSTRACT:
A hand tool for cutting, such as a pair of pruners, includes a pair of opposed elongated members, each member comprising a jaw at a front end portion thereof, a handle at a rear end portion thereof, and a midportion where the members cross over each other. A pivotable joint unites the midportions for scissor-like movement of the handles and jaws, and a spring biases the handles and jaws to an open position. According to the invention, one of the handles is rotatable. A transmission mechanism is provided to interconvert the rotation force applied to the rotatable handle into a rectilinear force used to draw the handles together.

REFERENCES:
patent: 1395758 (1921-11-01), Maszcyzk
patent: 3572192 (1971-03-01), Juras
patent: 4073059 (1978-02-01), Wallace et al.
patent: 4696107 (1987-09-01), Held
patent: 5339712 (1994-08-01), Keyvani
patent: 5426857 (1995-06-01), Linden
Photographs of Swiss Felco 12 Pruner (Side Elevational View--Open; Detail View--Open; Side Elevational View--Closed; Detail View--Closed).

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