Daido Metal Company Ltd.

Katsuhiro Machida

Yasuo Ido

Nobumitsu Mabuchi

In a rack guide disposed in a casing of a rack and pinion type steering system for slidably supporting a rack bar having rack teeth which engage with a pinion rotatably supported in the casing, the area for bearing the load of the rack bar can be fixed. A slide bearing member,has a three-layered structure consisting of a backing metal,made of bronze, a sintered alloy layer,and a synthetic resin layer,, the surface of the synthetic resin layer,comprising sliding-contact surface portions,formed intermittently with the center thereof at the center of curvature &ldquo;O&rdquo; of a circular outer peripheral surface of a rack bar,and with a radius of curvature equal to the radius of curvature R,of the same, and the remaining surface portions,to,formed in other positions than the sliding-contact surface portions,so as to be more dented than the sliding-contact surface portions

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Nagoya, Japan

Katsuhiro Machida