Patent ID: 6273209
Filing Date: 2001-08-14
Classification: B62D

Abstract:
A seal structure of a tie rod mounting portion in a center take-off power steering apparatus, comprising respective inner ends of a pair of right and left tie rods swingably connected to a leg portion of a T-shaped connection member, both arm portions of said T-shaped connection member are respectively connected to a rack shaft by a bolt passing through a guide shoe sliding within a notch groove formed along a lengthwise direction of a gear box housing, the respective inner ends of said pair of right and left tie rods being laterally movable in accordance with a lateral motion of said rack shaft while being guided by said guide shoe,a center portion of a dust boot being gripped between said guide shoe and both of the arm portions of said T-shaped connection member by being passed through by said bolts,a collar disposed between said guide shoe and said bolt and between said dust boot and said bolt so as to override between said rack shaft, said guide shoe and said dust boot, andone end portion of said collar which protrudes from said dust boot so as to be brought into contact with the arm portion of said T-shaped connection member,wherein a stepped recess portion to which both of the arm portions of said T-shaped connection member are fitted, and an annular protruding wall which surrounds one end portion of said collar and which is brought into contact with the arm portion of said T-shaped connection member, are respectively formed in said dust boot.