METHOD OF MANUFACTURING A HOLLOW RACK BAR

Provided is a hollow rack bar including a rack portion that is engaged with a pinion gear and faces supported by a yoke. The hollow rack bar includes: the rack portion engaged with the pinion gear; and the supported faces provided on a back side of teeth of the rack portion and supported by the yoke...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KATO, Takashi, YAMAWAKI, Takashi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL MOTOR VEHICLES PERFORMING OPERATIONS PUNCHING METAL TRAILERS TRANSPORTING
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Beschreibung
Zusammenfassung:	Provided is a hollow rack bar including a rack portion that is engaged with a pinion gear and faces supported by a yoke. The hollow rack bar includes: the rack portion engaged with the pinion gear; and the supported faces provided on a back side of teeth of the rack portion and supported by the yoke. The rack portion is formed by locating a toothed mold on an outer face of a circular tube material, and inserting a cored bar into the circular tube material to pressurize an inner face, thereby transferring a shape of the toothed mold. The supported faces are formed by removal processing or deformation processing of a back side of the teeth rack portion of the circular tube material.