Butchering – Skinning – Skinning implement
Reexamination Certificate
2011-06-21
2011-06-21
Price, Thomas (Department: 3643)
Butchering
Skinning
Skinning implement
Reexamination Certificate
active
07963829
ABSTRACT:
A dehider includes a pneumatic motor driving a pair of disk blades in opposed cutting oscillations and a governor that controls the speed of the motor. Governor balls, acting as centrifugal weights, spin with the motor and push against an inclined flange on a valve head to move the valve head towards a valve seat. The motion of the valve head compresses a biasing spring and restricts the flow of pressurized air as the desired speed is exceeded. As speed decreases, centrifugal force decreases and the biasing spring opens the valve to provide additional power to the motor. The disk blades are provided with a cylindrical central lip that substantially increases the area of the central bearing that the blades turn on and produces significantly longer blade life.
REFERENCES:
patent: 3857177 (1974-12-01), Karubian et al.
patent: 4215451 (1980-08-01), Wikoff
patent: D316220 (1991-04-01), Ailey et al.
patent: 5122092 (1992-06-01), Abdul
patent: 5311664 (1994-05-01), Abdul
patent: 7163453 (2007-01-01), Gwyther
patent: 7722448 (2010-05-01), Gwyther
Jarvis Products Corporation, Jarvis Model JC 111A Air Powered Dehider, Maintenance Instruction Booklet, pp. 1-12.
Atlas Copco Tools AB, Die Grinder LSF 27S150-S, Operator's Instructions Booklet, 8 pages.
DeLio & Peterson LLC
Jarvis Products Corporation
Price Thomas
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