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:
Aug. 08, 1978
Filed:
Nov. 15, 1974
Applicant:
Inventor:
Lawrence F Schexnayder, Joliet, IL (US);
Assignee:
Caterpillar Tractor Co., Peoria, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277 74 ;
Abstract
A sealing structure for use in an oil-cooled disc brake apparatus or the like, having a buffer seal for providing extended life and improved functioning of the face seals thereof. The buffer seal provides a pressure-regulating function in controlling the delivery of lubricating coolant fluid to the brake and face seals.