SEATBELT RETRACTOR
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United States of America Patent
Stats
-
N/A
Issued Date -
Apr 23, 2015
app pub date -
May 22, 2013
filing date -
May 28, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A seatbelt retractor includes: a take-up drum winding up a webbing thereon; a transmission member arranged coaxially with a rotation axis of the take-up drum, and including a plurality of convex portions protruding radially outward at a predetermined circumferential pitch on an outer periphery of at least one end of the transmission member so as to transmit a rotary driving force; and a fitting member including a fitting portion that receives the one end portion inserted therein and fits with the plurality of convex portions. Each convex portion has a trapezoidal cross section and two faces facing a circumferential direction, one face of which has an inclination angle with regard to a radial direction smaller than the other face has. The one face is configured to receive a load through the fitting member by rotary driving force transmitted in emergency larger than the other face receives.
First Claim
Family
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Cited Art Landscape
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