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A cover apparatus for an open-topped container such as a trailer or truck bed has a cover for extending over the open top of the container, a plurality of spaced, parallel bows extending between opposite sides of the cover, each bow having a guide at each end, an endless cable running through the gu

A cover apparatus for an open-topped container such as a trailer or truck bed has a cover for extending over the open top of the container, a plurality of spaced, parallel bows extending between opposite sides of the cover, each bow having a guide at each end, an endless cable running through the guides at each end of each bow, a front one of the bows being secured to the cable and the guides on the remaining bows engaging slidably on the cable. A plurality of support pulleys support the cable to extend in a predetermined path along the opposite sides of,the container, and a pair of meshing gear drive pulleys control movement of the cable to extend and retract the cover. A reversible drive motor is linked to one of the gear drive pulleys.

대표청구항 ▼

1. A cover apparatus for an open-topped container such as a trailer or truck bed, comprising:a cover for extending over the open top,: of a container, the cover having opposite sides; a plurality of spaced, parallel bows extending between opposite sides of the cover, each bow having a guide at each

1. A cover apparatus for an open-topped container such as a trailer or truck bed, comprising:a cover for extending over the open top,: of a container, the cover having opposite sides; a plurality of spaced, parallel bows extending between opposite sides of the cover, each bow having a guide at each end; an endless cable running through the guide at each end of each bow, a front one of the bows being secured to the cable and the guides on the remaining bows engaging slidably on the cable, a plurality of support pulleys for supporting the cable to extend in a predetermined path along the opposite sides of, the container; a pair of meshing gear drive pulleys for controlling movement of the cable to extend and retract the cover, the cable extending at least partially around each of the gear drive pulleys; and a reversible drive motor linked to one of the gear drive pulleys.