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:
Aug. 27, 2019
Filed:
Aug. 13, 2018
Trifold, Llc, Orange, OH (US);
Leonid Khodor, Orange, OH (US);
Other;
Abstract
Disclosed is a foldable chassis of manually driven carrier vehicles capable of self-locking in unfolded position. The chassis includes a frame having a reference plane, an actuator attached pivotally to said frame, a first mechanism comprising said actuator and a platform attached pivotally to said frame, and a second mechanism comprising said actuator and two arms, each attached to said frame pivotally around a first axis and configured for attaching a wheel arrangement rotatable around a second axis. Said first and second mechanisms configured to move independently of each other between at least a first position, in which said platform generally perpendicular to said frame and said wheel arrangements generally perpendicular to said reference plane, and a second position, in which said platform adjacent to said frame and said wheel arrangements adjacent and parallel to said reference plane.