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. 15, 1981
Filed:
Mar. 24, 1980
Douglas A Cather, Jr, Gastonia, NC (US);
Martin E Benjamin, Gastonia, NC (US);
Garlock Inc., Longview, TX (US);
Abstract
Inner and outer sealing rings (16 and 18) for the balancing ring (12) of a hydraulic motor, each comprising an annular elastomeric body (30) including a flat, radially extending central ring (36) and a pair of sealing elements (38 and 40) projecting axially away from opposite ends of the central ring (36) and in opposite axial directions therefrom and tapering to a sealing lip (50 and 52) in the directions away from the central ring. The inner and outer sealing rings (16 and 18) have cylindrical O.D. and I.D. surfaces, (54 and 66), respectively. Each sealing ring preferably has a reinforcing ring (32 and 62) and a liner (34 and 64) of low friction material.