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:
Jan. 03, 2012
Filed:
Sep. 14, 2009
Yi-lung Lee, Taichung Hsien, TW;
Yi-Lung Lee, Taichung Hsien, TW;
Tera Autotech Corporation, Tachia, Taichung Hsien, TW;
Abstract
A cart and track arrangement includes a track unit having a straight track and a curved track, the straight track having an oblique bearing portion, the curved track having a horizontal bearing portion, and a cart having a cart frame and a wheel set, the wheel set having a wheel axle arranged in parallel to the oblique bearing portion of the straight track and a wheel pivotally mounted on the wheel axle, the wheel having a first tread disposed in parallel to the wheel axle for rotatably supporting on the oblique bearing portion of the straight track and a second tread for rotatably supporting on the horizontal bearing portion of the curved track. In an alternate form, the straight track has a horizontal bearing portion, the curved track has an oblique bearing portion, and the wheel has a first tread disposed in parallel to the wheel axle for rotatably supporting on the horizontal bearing portion of the straight track and a second tread for rotatably supporting on the oblique bearing portion of the curved track.