Equalizing fluid-operated apparatus and method of assembling the apparatus
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United States of America Patent
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-
May 20, 2003
Grant Date -
Apr 10, 2003
app pub date -
Oct 9, 2001
filing date -
Oct 9, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An equalizing fluid-operated apparatus for use with a pressing machine, the apparatus including a flat common manifold which has bottomed holes having respective bottoms, and a communication passage that communicates the bottomed holes with each other, and rod guides which are integrally and fixedly provided around respective openings of the bottomed holes of the manifold, such that each of the rod guides guides a movement of a piston rod of a corresponding one of fluid-operated cylinders, and prevents the piston rod from coming off the one fluid-operated cylinder, the bottomed holes and the communication passage of the manifold being filled with a working fluid, so that the bottomed holes function as respective pressure chambers of the fluid-operated cylinders.
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