Coupler of collapsible shaft for steering device
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United States of America Patent
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Jul 20, 1993
Grant Date -
N/A
app pub date -
Jun 25, 1991
filing date -
Jul 5, 1990
priority date (Note) -
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status (Latency Note)
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Abstract
A coupler of a collapsible shaft for a steering device comprises a shaft member having a male serration formed at an end of an outer periphery thereof; a tube member having a female serration for engaging with the male serration groove formed at at least an end of an inner periphery thereof; synthetic resin intervened between the shaft member and the tube member in order to axially secure the shaft member and the tube member coupled through the engagement of the male serration and the female serration. Through-holes are formed at a plurality of positions around a circumference at the end of the tube member and a concave groove is formed around an entire circumference at the end of the outer periphery of the shaft member. A plurality of ribs are formed around a circumference on the bottom of the concave groove, and the synthetic resin filled into the groove through the through-hole is solidified between the female serration and the ribs.
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