Pistons for axial piston machines
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United States of America Patent
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Dec 17, 1991
Grant Date -
N/A
app pub date -
Feb 6, 1989
filing date -
Feb 12, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A piston for an axial piston machine, comprising a hollow body having an axial cavity into which a filler piece of a material of lower specific gravity than the material of the piston is inserted which at least partially fills said cavity, said filler piece being secured axially in the cavity by a shoulder projecting radially inwards from the hollow body, is to be designed so that with simple construction a stable axial securing of the filler piece is ensured. This is achieved in that the filler piece has a recess arranged between its ends on its outer surface into which the section of the hollow body overlapping the recess is pressed in a form fitting and force locking manner.
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