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:
Feb. 04, 2014
Filed:
Feb. 03, 2011
Leonid Khodor, Orange, OH (US);
Julia Khodor-beloborodov, West Roxbury, MA (US);
Leonid Khodor, Orange, OH (US);
Julia Khodor-Beloborodov, West Roxbury, MA (US);
Trifold, LLC, Orange, OH (US);
Abstract
Disclosed is a folding chassis of manually driven carrier vehicles, for example, hand trucks, carts, and strollers, capable of moving over uneven or spongy surfaces and surmounting obstacles. The chassis includes a frame having a first plane, an arm with an axle, and a hub having a plurality of wheels. The arm is rotatably attached to the frame with the hub rotatably disposed onto the axle and each of the plurality of wheels is rotatably attached to said hub around an axis parallel to said axle. The arm is configured to pivot between at least positions of the hub been generally perpendicular to said first plane and the hub been juxtaposed to said first plane.