초록 ▼

A multiple-shelved unit is disclosed, the unit being adapted for use in greenhouses, for supporting growing plants on the shelves thereof, the unit including a horizontal hollow shaft mounted for rotation and means for rotating the same, hub members carried by the shaft adjacent the ends thereof wit

A multiple-shelved unit is disclosed, the unit being adapted for use in greenhouses, for supporting growing plants on the shelves thereof, the unit including a horizontal hollow shaft mounted for rotation and means for rotating the same, hub members carried by the shaft adjacent the ends thereof with each hub member supporting a plurality of radially-projecting hollow spokes and hollow elements carried by the spokes adjacent the outer ends thereof for pivotally supporting the shelves. The unit additionally includes means for connecting the hollow interior of said shaft to a water supply, means for providing water communication between the interior of said shaft and the interiors of the spokes supported by at least one of said hubs, and means for providing water communication between the lastmentioned spokes and the shelves whereby the plants supported by the shelves may be watered at desired intervals. A second similar unit may be employed with its hollow shaft in alignment with and connected to the hollow shaft of the first unit for rotation therewith, the connection in such case including valved means for the passage of water from the shaft of the first unit to the shaft of the second unit. An additional feature is the construction of the hub members which provides both a threaded and clamped connection with the spokes for insurance against the breaking of such connection.

대표청구항 ▼

In a plant-growing structure comprising a multiple-shelved unit, said unit having a central rotatable, hollow shaft comprising conduit means for carrying a liquid, means supporting said shaft, spaced hub members on said shaft with each of said hub members supporting a plurality of radially-projectin

In a plant-growing structure comprising a multiple-shelved unit, said unit having a central rotatable, hollow shaft comprising conduit means for carrying a liquid, means supporting said shaft, spaced hub members on said shaft with each of said hub members supporting a plurality of radially-projecting spokes comprising conduit means for carrying a liquid, and means carried by said spokes for suspending shelves therefrom, said suspending means permitting said shelves to maintain substantially horizontal positions during the rotation of said shaft, the improvement wherein said shaft has means for the connection of the hollow interior thereof with a liquid supply, there is means providing communication for liquid between the conduit means of said shaft and the conduit means of the spokes supported by one of said hub members and said shelf-suspending means carried by said last-mentioned spokes comprises means in communication with the conduit means of said last-mentioned spokes for delivering water to said shelves suspended thereby.