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:
Jan. 09, 1990
Filed:
Feb. 09, 1989
Applicant:
Inventor:
Masayuki Katahira, Maebashi, JP;
Assignee:
Nippon Seiko Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
384 45 ;
Abstract
A slider mounted movably on a guide rail interposing many balls therebetween is constructed by assembling as a unit, a race member having ball rolling grooves at both sides, a circulator having ball circulating grooves opening upwardly, and a cap sandwiched between the race member and the circulator. The cap is formed with column members protruding from the upper surface upwardly and aligned axially, and each of the column members has a threaded hole for attaching a member to be driven to the slider. The race member has through holes for the column members, so that the column members having the screw holes are exposed.