Shear

Details Shear Shear

1975-02-14

1976-08-03

Smith, Al Lawrence

Cutlery

Cutting tools

Plural cooperating blades

30 92, 83198, 128 92R, B23D 1514, B26B 1500

Patent

active

039721167

ABSTRACT:
A pin shear for shaping and cutting bone pins and other elongate elements to the desired length is described. A pneumatically operated, coaxial cutter assembly includes a cutter plug having pin passageways therethrough positioned inside a cutter body having an aperture therein located in registry with the passageway in a first position. The cutter plug is adapted to move within the cutter body to a second position out of registry with the aperture, whereby an elongate element positioned in the passageway and aperture is severed. A pneumatic operator including means for multiplication of the force applied is described.

REFERENCES:
patent: 65557 (1867-06-01), Flinn
patent: 1901067 (1933-03-01), Vickers
patent: 3495330 (1970-02-01), Bruce
patent: 3624720 (1971-11-01), Laky
patent: 3670411 (1972-06-01), Peters

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