Patent ID: 8429991

Claim:
A rack bush, comprising: a bush body shaped like a hollow pipe, of which an outer peripheral surface is assembled with an inner side of a rack housing and an inner peripheral surface is assembled with a rack bar, the bush body comprising at least one stepped portion, by which the outer peripheral surface of the bush body has multiple outer diameters decreasing from one side end to another side end, so that the bush body is supported by the rack bar and the rack housing and maintains rigidity, at least one first slit formed by incising said one side end in an axial direction, and at least one second slit formed by incising said another side end in the axial direction and being spaced apart from the first slit, said at least one first slit and said at least one second slit being misaligned to each other; and an elastic member having an annular shape and being in close contact with the outer peripheral surface of the bush body, wherein said at least one first slit includes a first end at said one side end and a second end in the axial direction of the bush body, and said at least one first slit extends in portions of the bush body in which the multiple outer diameters only decrease from the first end to the second end.