Piston for axial piston machines
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United States of America Patent
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-
Dec 31, 1991
Grant Date -
N/A
app pub date -
Jun 13, 1990
filing date -
Jun 13, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A piston for axial piston machines in the form of a hollow body with an axial cavity therein into which an insert is inserted and is secured axially by means of a collar in the wall of the hollow body surrounding the insert overlapping its outer end face is designed so that while ensuring simple and economical manufacture, stable support of the filler piece and a stability of the shaft of the piston is obtained. This is achieved by providing the collar by pressing the wall of the hollow body, which is longer than its final length, into a plurality of oppositely disposed recesses or into an annular recess in the insert and by cutting the piston formed in this way to length in the general region of the recesses or the annular recess.
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