Flexible thermoplastic rack bar
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United States of America Patent
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Sep 29, 1992
Grant Date -
N/A
app pub date -
Sep 13, 1991
filing date -
Sep 13, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Flexible thermoplastic rack bar for meshing with a gear wheel, particularly for the drive of displaceable vehicle elements, like roof elements, sliding windows, and the like, having a series of supported teeth and a pull-resistant reinforcement embedded essentially parallel to a pitch line of the rack bar. The rack bar teeth are supported on at each lateral side and the reinforcement is disposed only in a cross-sectional area of the rack bar which lies heightwise between the head and the root of the rack bar teeth, preferably, substantially along a central transverse plane of the rack bar.
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