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 11845172 B1

Date of Patent:

Dec. 19, 2023

Filed:

Dec. 06, 2017

Power head configured to operate multiple tool heads with universal rotary device

Applicant:

Husqvarna Ab, Huskvarna, SE;

Inventors:

Ni Zugen, Suzhou, CN;

Yang Ming, Suzhou, CN;

Li Li, Suzhou, CN;

Chad Jones, Mount Holly, NC (US);

Garrett Sherman, Huntersville, NC (US);

Jeffrey C. Hickman, Concord, NC (US);

David Lawrence Estey, Huntersville, NC (US);

Assignee:

HUSQVARNA AB, Huskvarna, SE;

Attorney:

Burr & Forman LLP

Primary Examiner:

Nhat Chieu Q Do

Int. Cl.

CPC ...

A01G 20/47 (2018.01); B25F 3/00 (2006.01); B25F 5/02 (2006.01); A01D 34/416 (2006.01); A01G 3/06 (2006.01);

U.S. Cl.

CPC ...

B25F 3/00 (2013.01); B25F 5/02 (2013.01); A01D 34/416 (2013.01); A01G 3/062 (2013.01); A01G 20/47 (2018.02);

Abstract

A multi-tool () includes a power head () including a power head housing () having a handle () operably coupled thereto, a tool attachment () configured to perform a work function, the tool attachment () being alternately separable from and operably coupled to the power head (), a motor () disposed in the power head housing (), a battery () configured to be operably coupled to the motor () to selectively power the motor (), a drive provider portion () disposed at the power head (), and a drive receiver portion () disposed at the tool attachment (). The drive provider portion () includes a driving portion () of a shaft () operably coupled to the motor (), and the drive receiver portion () includes a driven portion () of the shaft (). The driving portion (), the drive receiver portion (), and the motor () share a common axis (). The power head () receives the battery () at an opposite end of the power head housing () relative to an end of the power head housing () at which the motor () is located, and the handle () extends from a first portion of the power head housing () above the motor () to a second portion of the power head housing () above the battery ().

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