Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Henry F. Thorne0
Date of Patent
October 18, 2011
0Patent Application Number
122446330
Date Filed
October 2, 2008
0Patent Citations Received
0
Patent Primary Examiner
Patent abstract
A robotic cart pulling vehicle includes a positioning error reducing system for reducing accumulated error in the ded-reckoning navigational system. The positioning error reducing system including at least one of a low load transfer point of the cart attaching mechanism, a floor variation compliance structure whereby the drive wheels maintain a substantially even distribution of load over minor surface variations, a minimal wheel contact surface structure, a calibration structure using at least one proximity sensor mounted on the robot body, and a common electrical and mechanical connection between the cart and the robot vehicle formed by a cart attaching post.
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