Patent ID: 7866704
Filing Date: 2011-01-11
Classification: B60R

Abstract:
1. A seat belt retractor comprising: at least one frame comprising a back board and side walls extending from side rims of the back board; a spool supported by the at least one frame configured to wind up a seat belt; a motor configured to rotate the spool; and an electronic control unit mounted to the frame for controlling the driving of the motor, the electronic control unit comprising: wherein a rim having left and right side rims is formed between opposing surfaces of the base and the attached cover and runs along a periphery of the base, wherein the rim of the electronic control unit comprises an opening at a lower end that opens an interior of the electronic control unit to an exterior, and wherein the base comprises a guide wall for guiding liquid that has entered the electronic control unit to the left and right side rims of the base and dropping the liquid through the opening.