Vacuum planting apparatus

A - Human Necessities – 01 – C

Patent

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Details

A01C 7/04 (2006.01)

Patent

CA 2197222

Apparatus for planting seeds or bulbs (e.g., potatoes, onions, flowers, etc.) using a seed metering mechanism which relies upon a vacuum to select seeds out of a hopper. The apparatus includes a plurality of arms (12) extending radially outward from an axis, a cup (14) secured to the outer end of each arm (12) and a vacuum communicating with each cup (14) such that a seed contacted by the cup (14) in the hopper is retained in the cup by atmospheric pressure. When the arms are rotated, the cups (14) pass through the hopper so that each cup (14) can contact the seeds and retain one seed in the cup. At a designated point outside the hopper the seed is released so that it can pass through a spout or chute and into a furrow in the soil.

Semoir de graines ou de bulbes (pommes de terres, oignons, fleurs, etc.) comportant un mécanisme de comptage des graines à dépression qui les prélève dans une trémie. Ladite machine comporte une série de bras se déployant radialement à partir d'un axe, une coupelle disposée à l'extrémité de chaque bras, et un conduit sous dépression pour chaque coupelle, ce qui fait qu'une graine recueillie par la coupelle dans la trémie y est maintenue sous l'effet de la pression atmosphérique. Lorsque les bras tournent, les coupelles traversent la trémie et entrent en contact avec les graines dont une y est retenue. La graine est ensuite déposée en un point choisi extérieur à la trémie d'où elle passe dans une pipe ou une glissière, puis dans le sillon.

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