Hydraulic motor
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United States of America Patent
Stats
-
Jan 5, 1988
Grant Date -
N/A
app pub date -
Nov 13, 1986
filing date -
Mar 20, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a hydraulic motor, in which a rotating motion is generated by a combined effect of a cam ring (2) and roller means (5) connected to the pistons (5) of a cylinder group (3).The object is to provide a new dummy coupling solution for a motor of this kind. To the cylinder group (3), preferably between two cylinders (4), is fastened a generally T-shaped support (8, 9) and round each branch (9) of the T is mounted a spiral spring (11) influencing respective piston (5). One end (12) of each spring influences the piston (5) through a passage (17) formed in the cylinder wall and the other end (13) of the spring leans against the support (8).
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