Metal deforming – With means to drive tool – Including pneumatic- or fluid-actuated tool support
Patent
1985-12-13
1987-05-05
Spruill, Robert L.
Metal deforming
With means to drive tool
Including pneumatic- or fluid-actuated tool support
72456, 72472, 7245301, 83197, 83198, 83618, 83639, 92117A, B26D 100, B21J 728
Patent
active
046622071
ABSTRACT:
This specification discloses a compact press tool which is capable of accommodating eccentric loadings without jamming or causing hydraulic fluid leakage.
Specifically the press tool (1) comprises: a stationary element (2), a movable element (3) and an hydraulic ram (5) adapted to translate the movable element (3) relative to the stationary element (2). The hydraulic ram (5) has a first piston (7) fixedly connected with the stationary element (2), a second piston (9), axially spaced from the first piston (7), able to bear against the movable element (3), and a floating cylinder (10) sealed at one end by the first piston and at the other end by the second piston (9).
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Jones David B.
Liras Pty. Limited
Spruill Robert L.
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