Animal shearing device

Details Animal shearing device Animal shearing device

1976-12-07

1978-06-13

Watson, Robert C.

Cutlery

Cutting tools

Plural cooperating blades

301233, B26B 1924, B26B 1934

Patent

active

040940659

ABSTRACT:
A shearing handpiece comprises a body having a cutter arm pivotally mounted thereon between coaxial laterally arranged cylinders each fitted with a plunger which transmits inward movements to the cutter arm by an intervening connecting rod. One at least of the cylinders forms a part of a hydraulic slave motor and the plunger of the other cylinder is preferably constantly urged inwardly by a spring.
Each connecting rod preferably has at each end thereof a semi-spherical head which seats in a corresponding socket in the arm or in the respective plunger as the case may be, these connecting rods being retained in position by the spring.
The slave motor is operable by successive pulses imparted thereto through a flexible connecting tube by a hydraulic pulse generator comprising at least one master cylinder fitted with a power operated master plunger and the handpiece is provided with a control valve operable to isolate the slave motor from the tube.

REFERENCES:
patent: 2844967 (1958-07-01), Leber
patent: 3393509 (1968-07-01), Kempson
patent: 3988828 (1976-11-01), Geary

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