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. 04, 2000
Filed:
Nov. 02, 1998
Ryoji Saneshige, Yonago, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A bearing device includes a slidemember made of porous-sintered-metal for slidably supporting a rotational shaft, and a holding member made of the same porous-sintered-metal and holding the slide member. The two members are constructed of the same material, and yet the density of the slide member is greater than that of the holding member so that lubricating oil is supplied continuously from the holding member to the slide member due to the capillary phenomenon. The bearing device constructed as above prevents the lubricating oil from flowing out, improves abrasion-resistance, and thereby extends the service life. Further, this construction allows the bearing device to be smaller and thinner.