Cutlery – Cutting tools – Plural cooperating blades
Patent
1981-05-06
1983-05-10
Peters, Jimmy C.
Cutlery
Cutting tools
Plural cooperating blades
30241, B26B 1700
Patent
active
043823319
ABSTRACT:
A hydraulic cutter apparatus provided herein comprises a piston slidably disposed in a cylinder, pumping apparatus for feeding a working fluid to the cylinder thereby axially displacing the piston for cutting operation with a cutting blade mounted at the front end of the piston rod. Release valve apparatus are provided for returning back the working fluid from the cylinder whose inner pressure is thereby lowered, allowing the piston to move back to the home position.
REFERENCES:
patent: 3733699 (1973-05-01), Bock
patent: 4208792 (1980-06-01), Ewig
Kabushiki Kaisha Ogura Chuck Seisakusho
Peters Jimmy C.
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