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:
Dec. 09, 2025
Filed:
May. 27, 2022
Research & Business Foundation Sungkyunkwan University, Suwon-si, KR;
Hyouk Ryeol Choi, Suwon-si, KR;
Ye Chan Lee, Suwon-si, KR;
Heesik Jang, Suwon-si, KR;
Tae Yu Kim, Suwon-si, KR;
Research & Business Foundation Sungkyunkwan University, Suwon-si, KR;
Abstract
A driving apparatus having transformable wheels including: a drive unit generating forward/reverse torque; a wheel assembly traveling on the ground by receiving torque from the drive unit, the wheel assembly being variable in a diameter; a power transmission transmitting the forward/reverse torque generated by the drive unit to the wheel assembly in only one direction; and a mode switching unit changing the diameter of the wheel assembly depending on a rotation direction of the drive unit.