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:
Jul. 23, 2013
Filed:
Dec. 22, 2008
Michael Knopf, Kaiserslautern, DE;
Michael Knopf, Kaiserslautern, DE;
Sunrise Medical GmbH & Co. KG, Malsch/Heidelberg, DE;
Abstract
A wheelchair frame includes left and right first frame members, each having a first leg for supporting a seat. The first legs are arranged on opposite sides of a central axis of the wheelchair. At least one cross-brace is connected, by the ends, to the first legs of the left and right frame members. The cross-brace has a non-circular cross-section along a section between the ends. The wheelchair frame includes left and right second frame members that are pivotally connected to the left and right first frame members. The second frame members are foldable and may be fixed in a position in that is generally parallel to the first legs of the left and right first frame members. A cross-brace is connected, by the ends, to the left and right second frame members. The cross-brace has a non-circular cross-section along a section between the ends.