Patent ID: 6644430
Filing Date: 2003-11-11
Classification: B62D,F16J

Abstract:
A fluid power assisted rack and pinion steering apparatus for a vehicle, said apparatus comprising:a rack connectable with steerable wheels of the vehicle, said rack having a longitudinal axis and being movable in opposite axial directions to turn the steerable wheels in opposite directions; a housing partially enclosing said rack and defining a fluid chamber; a bushing encircling said rack and having opposite axial ends, said bushing being secured in said housing by an interference fit between an outer surface of said bushing and an inner surface of said housing; a sleeve supporting said rack for sliding movement relative to said bushing, said sleeve extending between said bushing and said rack and engaging said rack, said sleeve having at least one radially extending tab received in at least one corresponding recess in said bushing, said at least one radially extending tab axially and rotationally locating said sleeve relative to said bushing; and a fluid tight seal member for sealing said fluid chamber.