Rack bush
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 30, 2016
Grant Date -
Jan 22, 2015
app pub date -
Jul 15, 2014
filing date -
Jul 22, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A rack bush, which constitutes a rack and pinion type steering system and supports a rack shaft in which rack teeth are formed at one circumferential portion, includes a bush main body and a rigidity reducing portion. The bush main body has an annular shape into which the rack shaft is inserted. The bush main body is divided, in a circumferential direction, into two portions including a rack teeth-side portion located on the same side as the rack teeth in the circumferential direction and a back face-side portion other than the rack teeth-side portion. The rigidity reducing portion is provided in the rack teeth-side portion, and makes a rigidity of the rack teeth-side portion lower than a rigidity of the back face-side portion.
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