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US 7,246,838 B2Granted
Trailer cover system
AssigneeRoll-Rite, LLC
InventorTimothy K. Searfoss
Life of this patent
Estimating the term…
Abstract
A wall section is disclosed for a trailer. The wall section comprises a male end and a female end. The male end includes a central recess having at least one protrusion on each side of the central recess, the protrusions defining respective lateral recesses. The female end includes a central protrusion having at least one lateral protrusion on each side of the central protrusion, the central protrusion and the lateral protrusions defining respective recesses.
Claims17
A unit for returning a cover of a trailer, the unit comprising:
- a spring having first and second ends, the first end of the spring being connected to the trailer;
- a cord having first and second ends, the first end of the cord being connectable to the second end of the spring, and the second end of the cord being connected to the cover;
- and
- a housing within which the spring is at least partially situated.
1 more element
Apparatus for covering a trailer, the apparatus comprising:
- a cover;
- a spring having first and second ends, the first end of the spring being connected to the trailer;
- a cord having first and second ends, the first end of the cord being connectable to the second end of the spring, and the second end of the cord being connected to the cover;
- and
- a housing within which the spring is at least partially situated.
2 more elements
A trailer comprising:
- cover;
- pivot pin connected to the trailer;
- spring having first and second ends, the first end of the spring being connected to the pivot pin;
- a cord having first and second ends, the first end of the cord being connectable to the second end of the spring, and the second end of the cord being connected to the cover;
- and
- a housing within which the spring is at least partially situated.
3 more elements
Dependencies are inferred from the claim text.