Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Robert Dudley Reid0
Eugene Lee Tresenfeld0
Date of Patent
April 20, 2010
Patent Application Number
11823170
Date Filed
June 26, 2007
Patent Primary Examiner
Patent abstract
An apparatus for safely locating an elevated-end of a ramp includes a center strip that hangs down from an overhead location proximate the elevated-end. The center strip aligns with a center of the ramp and is used as a visual or tactile aide to guide a person toward the elevated end. A variation includes a pair of lateral strips that are each disposed proximate the elevated-end and also proximate opposite outer edges of the ramp. Another variation includes the use of two parallel strips to more accurately indicate either the center of the ramp or one of its edges. Fixed, detachable, and retractable versions are described that are attached to either a ceiling of a truck or to an inside surface of an overhead door of the truck.
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