Apparatus for turning steerable vehicle wheels

摘要

The apparatus (10) comprises a housing (14) with a chamber (38), a rack (16) movable in opposite directions in the chamber to effect turning of the steerable wheels in opposite directions, a pinion (18) meshed with the rack, and a yoke (20) partially disposed in the housing and supporting the rack for sliding movement relative to the yoke. The yoke comprises a moulded plastic body having a recess (130) and a plate spring (150) located in the recess. The plate spring has a surface (154) engaging the rack (16) and biasing the rack into engagement with the pinion. The plate spring supports the rack for sliding movement relative to the plate spring.