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:
Oct. 26, 2010
Filed:
Dec. 10, 2008
Chin-lin Chang, Feng-Yuan City, Taichung Hsien, TW;
Chin-Lin Chang, Feng-Yuan City, Taichung Hsien, TW;
Other;
Abstract
A foldable wheel seat has a base, an operating bar, a first rotating shaft and two wheel axles. The base has a groove formed in a top face of the base. The operating bar is mounted pivotally in the groove of the base. The first rotating shaft is mounted rotatably in the base and has at least one end and two pulling segments. The at least one end of the first rotating shaft is extended into the groove of the base and is securely connected to the operating bar. The pulling segments are mounted on the first rotating shaft and each pulling segment has two pulling tabs. The wheel axles are mounted rotatably in the base and are perpendicular to the first rotating shaft and below the pulling segments of the first rotating shaft. Each wheel axle has an engaging block, at least two wheels, a holding panel and a torsional spring.