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.

Date of Patent:
Oct. 25, 2016

Filed:

Mar. 16, 2016
Applicant:

Murata Manufacturing Co., Ltd., Kyoto, JP;

Inventor:

Yoshitaka Hane, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61H 3/04 (2006.01); B62B 3/00 (2006.01); A61H 3/00 (2006.01);
U.S. Cl.
CPC ...
A61H 3/04 (2013.01); B62B 3/00 (2013.01); A61H 2003/001 (2013.01); A61H 2003/002 (2013.01); A61H 2003/043 (2013.01); A61H 2201/1633 (2013.01); A61H 2201/1635 (2013.01); A61H 2201/5007 (2013.01); A61H 2201/5061 (2013.01); A61H 2201/5069 (2013.01);
Abstract

A pushcart includes a main body, a pair of main wheels, a supporter, an auxiliary wheel, a blocking unit, a switching lever, a slope angle sensor, a gyrosensor, a driver unit, and a supporter rotary encoder. The supporter rotary encoder detects an intersecting angle which is an angle formed by the main body and the supporter, and outputs the detected result to a controller. The gyrosensor detects an angular velocity of the main body in a pitch direction and outputs the detected result to the controller. The controller performs inverted pendulum control in a first control mode based on the detected results of the gyrosensor and the supporter rotary encoder. The controller performs inverted pendulum control in a second control mode based on the detected result of the gyrosensor.


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