Seat belt roller has central shaft mounted between locking disks which has axial, radially distributed channels containing pistons with shoes at each end which force viscous material into slots to limit force on shaft

摘要

Seat belt roller has a central shaft (32) mounted between locking disks (34). This has axial, radially distributed channels (37) containing pistons (35) with shoes (36) at each end. These force a viscous material into slots (38) to limit the force on the shaft.