Caster wheel with constant force mechanism

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United States of America Patent

PATENT NO 9593003
APP PUB NO 20150274496A1
SERIAL NO

14267267

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
THE RAYMOND CORPORATION20 SOUTH CANAL STREET GREENE NY 13778

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brown, Michael V Endicott, US 11 138
Doak, William Apalachin, US 3 16
Finnegan, Paul F Windsor, US 5 45
Goncalves, Fernando D Binghamton, US 17 66
Sigman, Greg Sherburne, US 4 22

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