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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.:

US 9730383 B1

PDFFull Text
Date of Patent:
Aug. 15, 2017

Filed:

Mar. 13, 2014

Slip controlling belt tension system

Applicant:

Husqvarna Ab, Huskvarna, SE;

Inventors:

Douglas Greulich, Columbia, SC (US);

Matthew Albinger, Shelby, NC (US);

Sean Dwyer, Gastonia, NC (US);

Assignee:

HUSQVARNA AB, Huskvarna, SE;

Attorney:

McNair Law Firm, P.A.

Primary Examiner:

Árpád Fábián-Kovács

Int. Cl.
CPC ...
A01D 41/14 (2006.01); A01D 41/127 (2006.01); A01D 46/08 (2006.01); A01D 34/00 (2006.01); A01D 69/08 (2006.01); F16H 7/12 (2006.01); A01D 34/64 (2006.01); A01D 34/76 (2006.01); A01D 69/00 (2006.01); F16H 7/02 (2006.01); F16H 9/10 (2006.01); F16H 7/08 (2006.01);
U.S. Cl.
CPC ...
A01D 34/008 (2013.01); A01D 34/64 (2013.01); A01D 34/76 (2013.01); A01D 69/002 (2013.01); A01D 69/08 (2013.01); F16H 7/02 (2013.01); F16H 7/08 (2013.01); F16H 7/1263 (2013.01); F16H 7/1281 (2013.01); F16H 9/10 (2013.01); B60Y 2200/223 (2013.01); F16H 2007/0823 (2013.01); F16H 2007/0865 (2013.01); F16H 2007/0868 (2013.01); F16H 2007/0876 (2013.01); F16H 2007/0885 (2013.01); F16H 2007/0887 (2013.01); F16H 2007/0893 (2013.01);
Abstract

A yard maintenance device having a working assembly selectively rotatable based on operation of an engine of the device may include a belt drive system. The belt drive system may include at least one driven pulley operably coupled to the working assembly, a drive shaft operably coupled to the engine, a drive belt configured to selectively couple the drive shaft to the at least one driven pulley, a tension adjustment assembly, and a control unit. The tension adjustment assembly may be configured to operably couple to at least one component of the belt drive system to adjust a position thereof to modify tension of the drive belt. The control unit may be configured to provide electronic control of the tension adjustment assembly.

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