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:
Nov. 15, 1977
Filed:
Jun. 01, 1976
Carl Fass, Ennepetal-Voerde, DT;
Intertrac Viehmann & Co., Gevelsberg, DT;
Abstract
A seal for endless tracks formed of alternating first and second link sides articulated to one another at joints; each joint including a bushing affixed to the first link side and a pin surrounded by the bushing and affixed to the second link side and an annular recess provided in the second link side and surrounding the pin. The seal is formed by a resilient sealing ring received in the recess and surrounding the pin. The sealing ring has a first radial side and a second radial side and is axially compressed by a radial edge face of the bushing and a radial base of the recess. As a result, the first radial side is in engagement with the radial edge face of the bushing and the second radial side is in engagement with the radial base of the recess. The first radial side is concave and defines with the radial edge face of the bushing a sealed chamber. The outer peripheral face of the sealing ring sealingly engages the axial inner wall of the recess.