Spiral-toothed gear wheel for rack and pinion steering
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United States of America Patent
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Mar 27, 2012
Grant Date -
Mar 5, 2009
app pub date -
Feb 28, 2007
filing date -
Mar 2, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A spiral-toothed gear wheel for a rack and pinion steering. The spiral-toothed gear wheel includes a pinion, which meshes on the power take-off side with a toothed rack, and a spiral-toothed gear, which is arranged on the pinion on the drive side in such a way that they rotate in unison, and on which a torque caused by a steering power or/and steering assist power acts. The spiral-toothed gear is designed as a built-up gear and includes a gear rim, which is arranged, relative to the axial direction of the gear or of the pinion thereof, between two flanges. The gear rim is pushed over a hub formed at one of the flanges and is fitted together with the flanges in a positive-locking manner. One of the flanges, namely, the flange having the hub for the gear rim, is made in one piece with the pinion.
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