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. 09, 2018
Filed:
May. 22, 2017
Permobil Ab, Timrå, SE;
Herbert Van de Wal, Alnö, SE;
Erik Kalf, Matfors, SE;
Urban Lind, Alnö, SE;
Benny Tenggren, Sundsvall, SE;
PERMOBIL AB, , SE;
Abstract
The present disclosure relates to a caster wheel assembly () for a wheelchair, comprising: a caster housing (), a central body () having a radially outwards extending flange (), which central body () is configured to be received by the caster housing (), a spindle shaft () configured to be rotationally locked relative to the central body (), a first bearing () having an inner bearing race () configured to be rotationally locked relative to the spindle shaft (), a friction member () configured to be rotationally locked relative to the caster housing (), and a resilient member () configured to be arranged between the flange () and the friction member (), and configured to provide a force between the flange () and the friction member () to thereby create friction torque between the caster housing () and the spindle shaft ().