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:
Jul. 14, 1998
Filed:
Feb. 22, 1996
Applicant:
Inventor:
Koichiro Kitamura, Takaoka, JP;
Assignee:
Kitamura Machinery Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
384517 ; 384563 ;
Abstract
A preload control apparatus comprising a bearing 16-19 and at least one coned disc spring 26 for exerting a preload on the bearing, one or some or all of the coned disc spring(s) being at least partly made of a shape memory alloy so that the preload on the bearing can be adjusted with changes in temperature of the coned disc spring(s).