Agricultural machine

Details Agricultural machine Agricultural machine

A - Human Necessities

01

C

111/33.1

A01C 7/00 (2006.01) A01B 51/00 (2006.01) A01C 7/04 (2006.01) A01D 46/00 (2006.01) A01D 91/02 (2006.01) B65G 35/04 (2006.01)

Patent

CA 1275865

AGRICULTURAL MACHINE Abstract The distinotive feature of the construction resides in that a hopper for a fluid material is disposed in a sealed chamber having an inlet communicating with a source of working fluid which is supplied to the chamber under pressure, and in that a device for causing the fluid ma- terial to move is made in the form of a driven drum having a flexible hose wound thereon. The interior space of the hose communicates with the hopper, the free end of the hose extending through the inlet of the chamber, being turned inside out and sealingly secured to, and along the perimeter of the chamber so as to define an annular space having its volume varying under the action of working fluid and caus- ing the fluid material to move.

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