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:
Aug. 29, 1995
Filed:
Mar. 29, 1994
Applicant:
Inventor:
Hideyuki Sato, Gunma, JP;
Assignee:
NSK Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23Q / ;
U.S. Cl.
CPC ...
188266 ; 1883225 ; 267136 ;
Abstract
A damping unit comprising: a mass body supported at a position close to a shaft end of an operating shaft in such a manner as to be movable in a direction orthogonal to an axis of the operating shaft, the operating shaft of a working head; wirelike resilient members, an end of each resilient member supporting the mass body, the other end thereof being fixed in parallel with the axis of the operating shaft; fluid chambers disposed so as to enclose the resilient members; and a high-viscosity fluid being charged into the fluid chambers.