Trailer cover system
View Patent ↗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.
1. 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.
2. The cover return unit of claim 1 further comprising a pivot pin connected to the trailer, the first end of the spring being connected to the pivot pin.
3. The cover return unit of claim 2 wherein the pivot pin includes a groove adapted to receive the first end of the spring.
4. The cover return unit of claim 1 wherein the spring is a coil spring.
5. The cover return unit of claim 1 wherein the housing is adapted to receive the cord there around.
6. The cover return unit of claim 1 wherein the housing includes a groove adapted to receive the second end of the spring.
7. The apparatus of claim 1 wherein the housing is adapted to receive the cord there around.
8. The apparatus of claim 1 wherein the housing includes a groove adapted to receive the second end of the spring.
9. 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.
10. The apparatus of claim 9 further comprising a pivot pin connected to the trailer, the first end of the spring being connected to the pivot pin.
11. The apparatus of claim 10 wherein the pivot pin includes a groove adapted to receive the first end of the spring.
12. The apparatus of claim 9 wherein the spring is a coil spring.
13. 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.
14. The trailer of claim 13 wherein the pivot pin includes a groove to receive the first end of the spring.
15. The trailer of claim 13 wherein the spring is a coil spring.
16. The trailer of claim 13 wherein the housing is adapted to receive the cord there around.
17. The trailer of claim 16 wherein the housing includes a groove adapted to receive the second end of the spring.