Pressure force device
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United States of America Patent
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N/A
Issued Date -
Aug 5, 2010
app pub date -
Jan 25, 2010
filing date -
Jan 30, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The invention relates to a pressure force device for a gear train (2) in a steering system, with a housing (3), wherein a first gear member (4) is disposed engaged with a second gear member (5) at the housing (3), and with a thrust transmitting member (6), wherein the thrust transmitting member (6) is slidably supported in a guide (8) at the housing (3) along an axis (7), wherein spring element (9) acts onto the thrust transmitting member (6) for pressing the first gear member (4) and the second gear member (5) against each other, wherein the thrust transmitting member (6) is furnished with a circumferential sealing element (10) against an exiting of lubricant from the housing (3). The sealing element (10) is a sealing ring (12) furnished with at least one constriction (11) of its cross-section, wherein a passage of lubricant between the thrust transmitting member (6) and the guide (8) is made possible at the constriction (11) in order to create a pressure force device for gear train of a steering system, which allows a low noise and safe operation.
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