The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 08, 2006

Filed:

May. 11, 2004
Applicants:

Yoshio Wakazono, Nagoya, JP;

Masashi Yoritsune, Anjo, JP;

Inventors:

Yoshio Wakazono, Nagoya, JP;

Masashi Yoritsune, Anjo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B 41/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A pair of hydrostatic radial bearing devicesis mounted on right and left side surface of a front portion of a wheel slidein order to support rotatably wheel shaftsrespectively. A thrust bearing devicemounted in either one of wheel shaftssupports either wheel shaftorin a thrust direction. A shaft coupling mechanismis installed in wheel shafts. A taper cylindrical portionis projected from either one of wheel shaftsand fitted tightly with a taper inside openingformed in remaining of wheel shafts. A vertical end surfaceor Fb extending from a base of the taper cylindrical portionis fitted tightly with another vertical end surfaceorof the remaining wheel shaftor


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