Pinking shears with adjustable tip pressure

Details Pinking shears with adjustable tip pressure Pinking shears with adjustable tip pressure

1985-07-11

1986-04-29

Watts, Douglas D.

Cutlery

Cutting tools

Plural cooperating blades

30230, 411301, 411403, 411437, B26B 1300

Patent

active

045847703

ABSTRACT:
Pinking shears are disclosed comprising a pair of blades having cutting teeth and tips on one end and a handle on the other end, a common pivot assembly for the pair of blades, and an adjustable ball assembly for adjusting the pressure applied at the tips of the blades. The ball assembly is mounted in one blade between the handle thereof and the pivot assembly bears against the other blade to urge the blades away from one another adjacent the handles of the shears. As a result of this arrangement, the pressure between the tips is increased and a smooth cutting action is obtained when the pinking shears are being used to cut different types of materials of varying thickness.

REFERENCES:
patent: 1523393 (1925-01-01), Britton
patent: 1885754 (1932-11-01), Nachtigall
patent: 3170237 (1965-02-01), Weidauer
patent: 3749433 (1973-07-01), Mankowsky

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