Patent ID: 8366034

Claim:
A seat belt retractor comprising: a motor that generates a driving force for retracting and unreeling a seat belt by rotating a shaft; a gear case housing a gear in an interior portion thereof, said gear converting a rotary force of said shaft into said driving force; a harness connected to a side of said motor including said shaft disposed opposite said gear case, wherein said harness supplies power to said motor; a motor case having an opening in only one end thereof, said motor case housing said motor from a side of said motor to which said harness is not connected; and a motor cap disposed on a side of said motor including said shaft opposing said gear case, said motor cap comprising a passage portion through which said harness passes to an exterior thereof, wherein said opening in said motor case is sealed by engaging and attaching said motor case to said gear case and positioning said motor cap in a sandwiched manner such that said motor cap is disposed between said motor case and said gear case.