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. 11, 2000
Filed:
Aug. 07, 1998
Yukihiko Kagohara, Nagoya, JP;
Koji Kitagawa, Nagoya, JP;
Akio Umemura, Nagoya, JP;
Mituru Sugita, Nagoya, JP;
Yoshiaki Sato, Nagoya, JP;
Hideo Ishikawa, Nagoya, JP;
Takayuki Shibayama, Nagoya, JP;
Daido Metal Company Ltd., Nagoya, JP;
Abstract
A sliding bearing assembly excellent in fretting resistance which comprises a sliding bearing and a housing, the sliding bearing having a bearing alloy layer in the internal surface of its backing metal layer and the internal surface of the housing being fitted with the sliding bearing, wherein a phosphate film is formed on the back of the backing metal layer of the sliding bearing, the phosphate film being composed of needle crystals or columnar crystals which have a particle size of not more than 30 .mu.m when observed from the back of the backing metal layer.