Oiles Corporation

Jtekt Corporation

Koyo Seiko Company, Ltd.

Yoshiro Kuzumi

Masahiko Hirose

Masao Shimura

Kazuhiro Yamamoto

Masaaki Hashimoto

Katsutoshi Nishimura

Shuichi Kubota

Hidetoshi Kaida

Takahiro Tanaka

Nobuyuki Sato

A rack-and-pinion type steering apparatusincludes a gear casemade of aluminum or an aluminum alloy and having a hollow portion; a steering shaftrotatably supported by the gear casethrough rolling bearingsand; a pinionwhich is rotatably supported in the gear casethrough the steering shaft; a rack baron which rack teethmeshing with the pinionare formed; and a rack guidewhich is disposed in the hollow portioninside the gear caseand supports the rack barslidably with respect to its moving direction A.

Rack guide and rack-and-pinion type steering apparatus using the same

A rack and pinion steering device has a pinion rotatable in the R-direction, a rack bar having rack teeth meshing with the pinion and rectilinearly movable in the A-direction, a housing for rotatably supporting the pinion, a rack guide for slidably supporting the rack bar, and an elastic means for pressing the rack guide toward the pinion.

Rack guide and rack-and-pinion type steering apparatus having the rack guide

A method of manufacturing a rack guide base body wherein a cavity () is formed which has a pair of semicylindrical convex surfaces (and) and a pair of flat surfaces () each located between the semicylindrical convex surfaces (and), and has a recessed surface () located on one axial end portion side inwardly of the semicylindrical convex surfaces (and) and the flat surfaces () and a cylindrical surface () located on the other axial end portion side inwardly of the semicylindrical convex surfaces (and) and the flat surfaces (); a hollow portion () is formed for allowing the cavity () to communicate with a hollow portion () at one flat surface () and with a hollow portion () at the other flat surface (); a rack guide base body () is die cast by forcing molten metal of aluminum from the hollow portion () into the cavity (); and runners () integrally joined to flat surfaces () of the rack guide base body () formed by the respective flat surfaces () are cut off.

Method of manufacturing rack guide base body in rack-and-pinion type steering apparatus and rack guide

A rack guide includes a rack guide base body which has on its outer peripheral surface a pair of semicylindrical surfaces and a pair of planar surfaces each located between the pair of semicylindrical surfaces, has a concavely recessed surface located on one axial end portion side inwardly of the pair of semicylindrical surfaces and the planar surfaces, and has a cylindrical surface located on the other axial end portion side inwardly of the pair of semicylindrical surfaces and the planar surfaces; and a slider secured to the rack guide base body.

Method of production rack guide base body in rack-and-pinion type steering device and rack guide

Growing community of inventors

Kanagawa, Japan

Yoshiro Kuzumi