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:
Feb. 05, 1980
Filed:
Mar. 29, 1978
Applicant:
Inventors:
Joseph M Schwinn, Windsor, CA (US);
Tony E Maynard, Santa Rosa, CA (US);
Assignee:
Ecodyne Corporation, Lincolnshire, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
416207 ; 4162 / ;
Abstract
A fan blade is adjustably connected to a power driven shaft by means of a hollow coupling with a flat bearing surface on its inside face, and surrounding a hole through its radially outer face. The fan blade shank extends through the hole and is captured by a split ring that has a rim which is compressed against the inside bearing surface by a shoulder on the shank. A removable yoke is held against the blade shaft or shoulder by bolts which pass through the coupling's radially outer face, span the rims and shoulder, and engage into tapped holes in the yoke.