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.
Patent No.:
Date of Patent:
Oct. 08, 2024
Filed:
Aug. 10, 2021
Applicant:
Disco Corporation, Tokyo, JP;
Inventor:
Hiroyuki Watanabe, Tokyo, JP;
Assignee:
DISCO CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24B 47/12 (2006.01); B24B 49/08 (2006.01); F16C 17/04 (2006.01);
U.S. Cl.
CPC ...
B24B 47/12 (2013.01); B24B 49/08 (2013.01); F16C 17/04 (2013.01);
Abstract
A spindle unit includes a spindle having a processing tool fitted to a distal end of the spindle; and a spindle housing having a thrust bearing and a radial bearing configured to support the spindle by air in a rotatable and noncontact manner, the thrust bearing including an air supply portion configured to supply air to a gap between an outer surface of the spindle, the outer surface being in a direction orthogonal to an axial direction of the spindle, and an inner surface of the spindle housing, and an adjusting unit capable of adjusting a distance of the gap in a direction perpendicular to the outer surface of the spindle.