Patent ID: 10640142

Abstract:
A rack-and-pinion type steering apparatus 1 comprises a gear case 3 made of aluminum or an aluminum alloy and having a hollow portion 2; a steering shaft 6 rotatably supported by the gear case 3 through rolling bearings 4 and 5; a pinion 7 which is provided integrally on a shaft end portion of the steering shaft 6 and is rotatably supported in the hollow portion 2 by the gear case 3 through the steering shaft 6; a rack bar 9 on which rack teeth 8 meshing with the pinion 7 are formed; a rack guide 10 which is disposed in the hollow portion 2 of the gear case 3 and supports the rack bar 9 slidably; and a spring 11 constituted by a coil spring for pressing the rack guide 10 toward the rack bar 9.