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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 11026366 B1

PDFFull Text
Date of Patent:
Jun. 08, 2021

Filed:

Nov. 16, 2017

Power equipment

Applicant:

Honda Motor Co., Ltd., Tokyo, JP;

Inventors:

Jun Fukano, Wako, JP;

Masato Takeda, Wako, JP;

Keisuke Muraoka, Wako, JP;

Assignee:

HONDA MOTOR CO., LTD., Tokyo, JP;

Attorney:

Armstrong Teasdale LLP

Primary Examiner:

Thomas B Will

Assistant Examiner:

Madeline Ivy Runco

Int. Cl.
CPC ...
A01D 34/69 (2006.01); A01D 34/00 (2006.01); A01D 34/78 (2006.01); A01D 69/02 (2006.01); G05D 1/02 (2020.01); E01H 5/04 (2006.01); A01B 33/02 (2006.01); B62D 51/06 (2006.01); A01D 34/67 (2006.01); A01D 34/68 (2006.01); A01D 101/00 (2006.01);
U.S. Cl.
CPC ...
A01D 34/006 (2013.01); A01B 33/02 (2013.01); A01D 34/67 (2013.01); A01D 34/68 (2013.01); A01D 34/69 (2013.01); A01D 34/78 (2013.01); A01D 69/02 (2013.01); B62D 51/06 (2013.01); E01H 5/04 (2013.01); G05D 1/021 (2013.01); A01D 2101/00 (2013.01); G05D 2201/0208 (2013.01);
Abstract

Walk-behind power equipment includes: a main body provided with at least one front wheel and left and right rear wheels and a work unit; travel motors provided for the respective rear wheels; a handle extending from the main body rearward and upward; at least one of a tilt angle detector that detects a tilt angle of the main body and a load detector that detects a downward load applied to the handle; a yaw rate detector that detects a yaw rate; and a control unit that drive-controls the travel motors. The control unit determines whether the main body is in a rearward tilted state based on the tilt angle or the downward load, and if it is determined that the main body is not in the rearward tilted state, performs straight-line travel control to set a rotational speed difference between the travel motors to reduce the yaw rate.

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