Seat belt retractor with an automatic belt tension reducer

摘要: A seat belt retractor has a low tension mode in which webbing engages an occupant of vehicle with reduced force. frame supports spool on is wound for rotation withdrawal and retraction directions. sun gear rotatable the spool. planet carrier relative to rotatably meshing engagement gear. ring internal teeth external ratchet teeth. spring connected between biases direction. pawl engageable block direction place mode. cam hold out disengage