Webbing take-up device

Details Webbing take-up device Webbing take-up device

2011-05-03

2011-05-03

Kim, Sang (Department: 3654)

Winding, tensioning, or guiding

Reeling device

With spring motor

C242S390800, C242S394100, C280S806000

Reexamination Certificate

active

07934673

ABSTRACT:
To obtain a webbing take-up device that can not only transmit to a take-up shaft only rotation from a motor by a clutch but is also simple and compact.A clutch of this webbing take-up device has a simply configuration where sliders144of a clutch body portion114are caused by frictional force to be retained in a case, whereby the sliders144and lock bars154are caused to relatively move and the lock bars154are caused by this relative movement to move to positions where they engage with or disengage from a ratchet134.Consequently, the overall configuration of a clutch100can be made significantly compact (thinned) in comparison to a configuration that causes a pawl to move using an inertial disk that is large and has weight as in a conventional clutch. Thus, the overall configuration of a webbing take-up device10can be made compact.

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