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:
Sep. 29, 1981
Filed:
Sep. 21, 1979
Shunzo Tomioka, Hitachi, JP;
Kinpei Okano, Hitachi, JP;
Masanori Matsuo, Hitachi, JP;
Yosio Furukawa, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A guide bearing device for vertical rotary shafts including a plurality of segmental pads disposed circumferentially equidistantly around the rotary shaft, a plurality of adjusting bolts each supporting the respective segmental pads for pivotal movement, a housing containing the segmental pads and adjustably mounting the adjusting bolts and filled with lubricating oil, and a plurality of cooling pads each formed with an oil passage and arranged between the two adjacent segmental pads for pivotal movement, each of the cooling pads defining between its inner surface and the outer circumferential surface of the rotary shaft a gap which is thicker than the gap defined between a sliding surface of the respective segmental pads and the outer circumferential surface of the rotary shaft, said oil passage of each cooling pad communicating with a pressurized oil supply source and discharging lubricating oil toward the outer circumferential surface of the rotary shaft.