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. 22, 2011
Filed:
Aug. 28, 2008
Applicants:
Larry F. Babb, Grafton, OH (US);
Michael J. Rutkowski, Brunswick, OH (US);
Inventors:
Larry F. Babb, Grafton, OH (US);
Michael J. Rutkowski, Brunswick, OH (US);
Assignee:
Emerson Electric Co., St. Louis, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B 9/02 (2006.01); B08B 7/00 (2006.01); B08B 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An assembly for adjusting belt tension in a drain cleaning device is disclosed. The assembly includes an idler pulley assembly in which a pivotable idler pulley is urged against a belt by a tensioned spring. The tensile force exerted by the spring can be adjusted or otherwise changed by a rotatable spool engaged to the other end of the spring.