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:
May. 14, 2019
Filed:
Apr. 27, 2017
Sharp Kabushiki Kaisha, Sakai, Osaka, JP;
Yoichi Fujiwara, Sakai, JP;
SHARP KABUSHIKI KAISHA, Sakai, JP;
Abstract
The present invention provides a motor-driven traveling device including: a vehicle body; a motor for travel driving that is capable of braking the vehicle body as a short brake or a dynamic brake; an electromagnetic brake that brakes the vehicle body, separately from the motor; an operation switching circuit that switches between causing the motor to perform travel driving and causing the motor to perform braking; a brake release switch that receives an operation pertaining to brake releasing of the motor and the electromagnetic brake; and a brake control circuit that, while the brake release switch is operated, controls the motor and the electromagnetic brake in response to the operation on the brake release switch.