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:
May. 14, 1996
Filed:
Jul. 07, 1994
Shirosaku Moriyama, Fujisawa, JP;
Toshihiko Sekine, Fujisawa, JP;
Oiles Corporation, Tokyo, JP;
Abstract
A cylindrical bearing with a solid lubricant embedded and fixed in a plurality of first and second helical grooves formed in an inner peripheral surface thereof, wherein each first helical groove is formed with a rightward rising inclination at an angle .theta..sub.1 of more than 0.degree. and not more than 45.degree. with respect to a reference line, while each second helical groove is formed with a leftward rising inclination at an angle .theta..sub.2 of more than 0.degree. and not more than 45.degree. with respect to the reference line, a line which connects shorter diagonal lines of parallelograms each formed by connecting points of intersection of adjacent ones of the first helical grooves and adjacent ones of the second helical grooves intersecting with the adjacent ones of the first helical grooves forms an angle .theta..sub.3 of less than 90.degree. with respect to the reference line.