Radial piston pump
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United States of America Patent
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-
Aug 3, 2004
Grant Date -
Jun 19, 2003
app pub date -
Nov 15, 2002
filing date -
Nov 29, 2001
priority date (Note) -
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Abstract
In an eccentric bearing arrangement for a pump shaft (2) comprising an eccentric ring (4) that is fixedly attached thereto, and further comprising a needle roller bearing that is arranged on an outer peripheral surface of the eccentric ring, a stop washer (12) is retained in a circumferential groove (13) of the needle roller bushing (9) and is surrounded radially by the adjoining flange (11) of the needle roller bushing (9), and the stop washer (12) comprises an axially inward open annular groove (15) in which the cage (6) is guided.
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