Seat belt retractor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 21, 2002
Issued Date -
N/A
app pub date -
Feb 15, 2001
filing date -
Apr 25, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A seat belt retractor has a belt reel that is rotatably mounted on a frame and on which a seat belt can be wound and unwound. A motive spring biases the belt reel in the winding direction. An electric motor adjusts the spring force of the motive spring can be adjusted and/or a torque produced for tightening the seat belt. The torque can be transmitted to the belt reel by a clutch. The deformation of a deformable spring element brings the clutch into an engaged state. The spring element is held on one end of the spring by a holding device actuated by inertial force, at least for initiating its deformation.
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