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:
Nov. 03, 1992
Filed:
May. 03, 1991
Applicant:
Inventor:
Kazuyoshi Harimoto, Iwata, JP;
Assignee:
NTN Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L / ; G05G / ;
U.S. Cl.
CPC ...
74559 ; 123 9039 ;
Abstract
The present invention is directed to a roller follower for use with an engine. The roller follower incorporates a roller having a surface formed with minute recesses arranged at random so that the average value of the SK value is less than zero. Also, the ratio of the total area of the minute recesses to the entire area should be 10 to 40%.