Metal deforming – With means to drive tool – Including pneumatic- or fluid-actuated tool support
Patent
1979-11-19
1982-02-02
Crosby, Gene P.
Metal deforming
With means to drive tool
Including pneumatic- or fluid-actuated tool support
B21J 728
Patent
active
043133347
ABSTRACT:
The herein disclosed mechanism comprises a compressed gas receiver, a shaft with a striker movable therein, and control and working cylinders arranged in series one after the other, whose pistons are interconnected by means of a rod. According to the present invention, said working cylinder is mounted in the receiver and defines a circular space between the end of the receiver and the end of the shaft. In so doing, said circular space communicates with the receiver space while the piston of said working cylinder is mounted for movement relative to the rod to permit pressure from the receiver to pass and drive the striker for a working stroke.
REFERENCES:
patent: 3205790 (1965-09-01), Bollar
patent: 3352143 (1967-11-01), Bollar
patent: 3376723 (1968-04-01), Chelminski
patent: 3584498 (1971-06-01), Beche
Botyan Viktor V.
Chachin Viktor N.
Kashperko Vyacheslav A.
Kolos Vladimir K.
Luzgin Vladimir I.
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