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. 20, 2016
Filed:
Aug. 03, 2012
Zhengxu He, Reno, NV (US);
Xinlu Tang, Cupertino, CA (US);
Xianxiang Chen, Changsha, CN;
Other;
Abstract
The present application discloses a track support that includes a variable track frame comprising that includes four or more connector members, hinge joints that connect the connector members and configured to form a polygonal shape having sides each associated with one of the connector members, and a track varying mechanism that can actively change an angle between at least two of the connector members so as to change the polygonal shape of the variable track frame. Track engaging wheels mounted on the connector members can rotate around an axis that intercepts with or is adjacent to the hinge joints. The track engaging wheels can engage with a track belt wrapped around the track engaging wheels.