Retractor for seat belt, method of controlling the retractor, and seat belt device

A seat belt retractor and control device technology, which is applied in the direction of seat belts, belt retractors, vehicle safety arrangements, etc., can solve the problems of increased belt resistance and unreliable release of the adapter, and achieve reliable release and comfort The effect of the operating environment
CN100577478CActive Publication Date: 2010-01-06AUTOLIV DEV AB
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
AUTOLIV DEV AB
Publication Date
2010-01-06

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Abstract

The retractor (100) comprises a stop state detection means (118) detecting that drive signals are not inputted into a power generating means (110) and a drawing direction rotation detection means (119) detecting that the power generating means (110) is rotated in the drawing direction of webbing (302). A control means (200) drivingly controls the power generating means (110) so as to rotate it in the drawing direction of the webbing (302) when the stop state detection means (118) detects that the drive signals are not inputted into the power generating means (110) and the drawing direction rotation detection means (119) detects that the power generating means (110) is rotated in the drawing direction of the webbing (302).
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Description

technical field

[0001] The present invention relates to a seat belt retractor, a control method thereof, and a seat belt device, and more particularly to a seat belt retractor, a control method thereof, and a seat belt device which can be fastened easily by pulling out the seat belt without resistance. Background technique

[0002] As a related seat belt device, there is known a seat belt device (for example, refer to Patent Document 1) in which a motor rotates a spindle as needed and the spindle winds a belt to restrain a passenger on a seat. In this related seat belt device, an adapter is provided in the retractor. The adapter is usually released beforehand when the passenger is seated and when the webbing is pulled out and fastened. The pull-out resistance of the belt is in a low state.

[0003] Patent Document 1: Japanese Unexamined Patent Publication No.: JP-A-2001-16318

[0004] However, in the seat belt device having a motor disclosed in Patent Document 1, the adap...

Claims

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