CLUTCH FOR A PRE-TENSIONER CAPABLE OF RAPIDLY RETRACTING THE WEBBING OF A SEAT BELT THROUGH RAPID POWER TRANSFER WHEN VEHICLES COLLIDE OR A VEHICLE COLLIDES WITH ANOTHER OBJECT

摘要

PURPOSE: A clutch for a pre-tensioner is provided to enable power to be rapidly transferred form a driving source to a spool in operation of a pre-tensioner since a locker always faces the inner gear of the spool by an elastic member.;CONSTITUTION: A clutch for a pre-tensioner comprises a cylindrical body(200), a locker(400), and a cap(600). The body comprises a clutch gear(100) and a rotating shaft. The clutch gear is formed on one end of the body and receives power from a driving source when the pre-tensioner operates. The other end of the body faces a spool with webbing. The rotating shaft is formed on the other end of the body identically with the spool. The locker is oriented to engage with the inner gear of the spool by the elastic member(300) of the body. The locker engages with the inner gear when the pre-tensioner operates.;COPYRIGHT KIPO 2012