RACK BUSH

PROBLEM TO BE SOLVED: To provide a rack bush which reduces slide resistance of a rack shaft.SOLUTION: A cylindrical rack bush 20 is disposed between a cylindrical housing 9 and a rach shaft 8 coaxially inserted into the housing 9 and supports the rack shaft 8 so that the rack shaft 8 may slide in an...

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Bibliographische Detailangaben
Hauptverfasser:	SUMIHARA HIDETOSHI, IKEDA TETSUO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS LIGHTING MECHANICAL ENGINEERING MOTOR VEHICLES PERFORMING OPERATIONS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL TRAILERS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a rack bush which reduces slide resistance of a rack shaft.SOLUTION: A cylindrical rack bush 20 is disposed between a cylindrical housing 9 and a rach shaft 8 coaxially inserted into the housing 9 and supports the rack shaft 8 so that the rack shaft 8 may slide in an axial direction W. The rack bush 20 includes an inner periphery 24 provided with an inward protruding part 60 protruding to a radial inner side R1. The inward protruding part 60 includes a top part 61 which slidably contacts with the rack shaft 8 in a linear contact state or a point contact state.SELECTED DRAWING: Figure 2 【課題】ラック軸の摺動抵抗を低減することができるラックブッシュを提供する。【解決手段】円筒状のラックブッシュ２０が、筒状のハウジング９とハウジング９に同軸的に挿通されたラック軸８との間に介在し、ラック軸８を軸方向Ｗに摺動可能に支持する。ラックブッシュ２０は、径方向内方Ｒ１へ突出する内向凸部６０が形成された内周２４を備える。内向凸部６０は、線接触状態または点接触状態でラック軸８に摺動接触する頂部６１を含む。【選択図】図２