Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 1, 2010
Patent Application Number
11781668
Date Filed
July 23, 2007
Patent Primary Examiner
Patent abstract
A unit for returning a cover of a trailer comprising a first portion, a cord, and a spring. The spring is connected to the first portion. The cord having first and second ends, the first end of the cord being connectable to the first portion, the second end of the cord being connected to the cover, and the cord being wrappable around the first portion.
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