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. 24, 1991
Filed:
Apr. 10, 1990
Brent C Bargfrede, Dunlap, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A work vehicle includes lefthand and righthand suspension mechanisms individually having an elastomeric belt entrained about a plurality of roller wheels and a fron wheel assembly, with the front wheel assembly having inboard and outboard side portions connected together by a shaft and being mounted on a pivotable support member. The subject wet disc brake mechanism includes an annular housing assembly supporting the wheel shaft, a brake hub connected to the shaft, a brake assembly having a plurality of interleaved plates disposed within the housing assembly, and a plurality of internal passages for the ingress of a cooling fluid radially inwardly of the plates, the egress of the fluid radially outwardly of a collecting chamber defined within the housing assembly, and for delivering a control fluid to a service brake piston and a parking brake piston arranged in a compact overlapping manner. Moreover first and second pluralities of radial openings through the brake hub and housing assembly respectively promote radial cooling of the plates at a minimal back pressure.