Webbing winding device

Details Webbing winding device Webbing winding device

2010-09-16

2011-12-06

Kim, Sang (Department: 3654)

Winding, tensioning, or guiding

Reeling device

With spring motor

C242S379200

Reexamination Certificate

active

08070086

ABSTRACT:
A webbing winding device includes a clutch mechanism interposed between a spool and an output shaft of a motor and has a simple structure and high operability. In an interference piece that has an interference portion interfering with a connection pawl when an input gear of a clutch is rotated in the winding direction, a base portion is disposed between an outer retaining ring and an inner retaining ring formed at a gear box, and the base portion comes into press contact with an inner peripheral portion of the outer retaining ring and an outer peripheral portion of the inner retaining ring. The interference portion keeps interfering with the connection pawl until a pressing force more than a maximum static frictional force generated between the inner peripheral portion of the outer retaining ring and the outer peripheral portion of the inner retaining ring, and the base portion is applied to the interference portion, thereby rotating the connection pawl.

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