SEATBELT RETRACTOR

WIPO Patent Application WO/2012/011344

A1

A seatbelt retractor provided with a pretensioner mechanism section which, in a collision, etc. of the vehicle, winds webbing by rotating a winding drum in the winding direction. The pretensioner mechanism section is provided with: a gas generation member for generating gas; a long tube-shaped cylinder having one end to which the gas generation member is mounted; a piston movably contained within the cylinder and rotating the winding drum in the winding direction by being pressed and driven within the cylinder by the pressure of the gas generated by the gas generation member; and seal members mounted so as to be superposed on the end of the piston, which is located on the side which is subjected to the gas pressure, and sealing between the piston and the inner wall of the cylinder. The seal members comprise at least two types of seal members having different characteristics of resistance to the environment.

JP06156884	BELT RETRACTOR WITH BELT PRETENSIONER DEVICE ACTING ON BELT DRUM
JP2006062602	OCCUPANT CRASH PROTECTOR
WO/2008/105554	COLLISION PREDICTION DEVICE

YAMASAKI Kazunori (11-61, Senrioka 7-chome, Settsu-sh, Osaka 01, 〒5660001, JP)
山咲　和範 (〒01 大阪府摂津市千里丘７丁目１１番６１号　芦森工業株式会社内 Osaka, 〒5660001, JP)

JP2011/063882

January 26, 2012

June 17, 2011

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ASHIMORI INDUSTRY CO., LTD. (10-18, Kitahorie 3-chome Nishi-ku, Osaka-sh, Osaka 14, 〒5500014, JP)
芦森工業株式会社 (〒14 大阪府大阪市西区北堀江３丁目１０番１８号 Osaka, 〒5500014, JP)
YAMASAKI Kazunori (11-61, Senrioka 7-chome, Settsu-sh, Osaka 01, 〒5660001, JP)

B60R22/46

NEXT INTERNATIONAL (7th Floor, Daiei Building 11-20, Nishiki 1-chome, Naka-ku, Nagoya-sh, Aichi 03, 〒4600003, JP)

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