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US Patent 7631380 Wheeled attachment system

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Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7631380
Patent Inventor Names
Donald O. Larson1
Date of Patent
December 15, 2009
Patent Application Number
12327420
Date Filed
December 3, 2008
Patent Primary Examiner
‌
Alexander Grosz
Patent abstract

A wheeled attachment system for efficiently attaching to a spine board to allow the spine board to be easily maneuvered over various surfaces (e.g. flat surfaces, stairs, etc.). The wheeled attachment system generally includes a front support, a pair of wheel assemblies extending from opposing sides of the front support, a pair of side supports extending from the front support adjacent the pair of wheel assemblies and at least one strap extending from the pair of side supports. The side supports and the front support define a cavity adapted to receive an end of a spine board, wherein the strap is adapted to secure the pair of wheel assemblies about the spine board. A pair of extension members interconnect the pair of wheel assemblies with the front support so that a center rotational axis of the pair of wheel assemblies is vertically offset with the front support.

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