Seat belt retractor

Details Seat belt retractor Seat belt retractor

B - Operations, Transporting

60

R

B60R 22/36 (2006.01) B60R 22/34 (2006.01) B60R 22/42 (2006.01)

Patent

CA 2060076

ABSTRACT The seat belt retractor of the present invention is provided with a fragile portion .gamma. near a supporting section of a rotating shaft 21 on two side walls 2b (and 2a - not shown) of a case 2. The fragile portion .gamma. undergoes plastic deformation or rupture when a load exceeding a predetermined value is applied on a seat belt 1 through the rotating-squeezing member 20 and a rotating shaft 21 by pulling force. When the fragile portion y undergoes plastic deformation or rupture, the rotating-squeezing member 20 is moved toward loading direction, and the rotating-squeezing member 20 is separated from the sliding-squeezing member 19. Then, the rotating-squeezing member 20 is turned over, and the squeezing force on the seat belt 1 by the rotating- squeezing member 20 and the sliding-squeezing member 19 is alleviated. As the result, the application of highly concentrated load on the seat belt can be avoided. - 24 -

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