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, 2013
Filed:
Dec. 22, 2008
Trevor Martin, Norfolk, GB;
Trevor Martin, Norfolk, GB;
Other;
Abstract
A trolley, comprising a retractable wheel assembly () movable between stored and in-use positions. The wheel assembly comprising an assembly support; at least one wheel arm () operably-connected to a wheel hub, in us the wheel hub receiving a wheel; at least one control arm () operably-connected to the wheel hub, for affecting the orientation of the wheel hub with respect to the wheel arm as the retractable wheel assembly is moved between the stored position and the in-use position; and drive means () connected to the assembly support and operably connected to the at least one wheel arm and the at least one control arm, for providing rotation of the at least one wheel arm and at least one control arm about a common axis between the stored position and the in-use position.