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:
Dec. 26, 1978
Filed:
Oct. 12, 1976
Albert W Crumrine, Jr, Peoria, IL (US);
Theodore H Fones, Washington, IL (US);
James M Kostas, Peoria, IL (US);
Raymond M Vanderburg, Washington, IL (US);
Caterpillar Tractor Co., Peoria, IL (US);
Abstract
An improved fan construction for use with engines utilizing circulating coolant and radiators, including a shaft adapted to be mounted on an engine or the like, a sheave journalled on the shaft, and fan blades carried by the sheave and rotatable therewith. An annular ring of resilient material is disposed about the fan blades and has an inner diameter spaced slightly radially outwardly of the tips of the fan blades and an outer periphery adapted to slidably, peripherally, sealingly engage a radiator shroud or the like about the periphery of an orifice therein and a perforate support for the ring secured to both the ring and the shaft.