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:
Mar. 14, 2017
Filed:
May. 01, 2014
Fernando D. Goncalves, Binghamton, NY (US);
Paul F. Finnegan, Windsor, NY (US);
Greg Sigman, Sherburne, NY (US);
Michael V. Brown, Endicott, NY (US);
William Doak, Apalachin, NY (US);
Fernando D. Goncalves, Binghamton, NY (US);
Paul F. Finnegan, Windsor, NY (US);
Greg Sigman, Sherburne, NY (US);
Michael V. Brown, Endicott, NY (US);
William Doak, Apalachin, NY (US);
The Raymond Corporation, Greene, NY (US);
Abstract
A wheel assembly for a material handling vehicle includes a chassis, a first caster wheel mounted to the chassis, a second caster wheel mounted to the chassis, a torsion bar coupling the first caster wheel to the second caster wheel, and a constant force mechanism coupled to at least one of the first caster wheel, the second caster wheel and the torsion bar. The first and second caster wheels are displaceable in at least one dimension, and the constant force mechanism imparts a substantially constant force opposing a displacement in the at least one dimension.