In-line sub-surface seeding, fertilizing and watering system

A - Human Necessities – 01 – C

Patent

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Details

A01C 7/00 (2006.01) A01C 7/06 (2006.01)

Patent

CA 2372629

An in-line sub-surface seeding, fertilizing and watering system includes a blade (10) mountable into a header member (112) of a parallelogram linkage (110). A pair of parallel rigid drag arms (116, 118) extend between the header member (112) and a hanger member (114) and are pinned at their respective ends so that rotation of the header member relative to the hanger member on the parallel arms maintains a general horizontal orientation of the header member thereby supporting the blade (10) downwardly in a constant orientation. The hanger member is mountable to a supporting frame (182). A selective actuator such as a hydraulic actuator (138) or selectively controllable spring assembly (147) allows selective control of a downward force urging the blade into the soil. Where the selective actuator is a hydraulic actuator (138) mounted between the hanger member (114) or frame and the parallel arms (116, 118) or header member (112), the actuating linkage may be selectively elevated so as to remove the blade (10) from the soil.

La présente invention concerne un système direct d'ensemencement, de fertilisation et d'irrigation souterrains comprenant une lame (10) montable dans un élément support (112) d'un parallélogramme de commande (110). Une paire de bras tireurs, parallèles et rigides, (116,118) s'étend entre l'élément support (112) et un élément porteur (114), et sont goupillés à leurs extrémités respectives de manière à ce que la rotation, autour des bras parallèles, de l'élément support par rapport à l'élément porteur maintienne une orientation générale de l'élément support horizontale, permettant ainsi un appui de la lame (10) vers le bas, dans une orientation constante. L'élément porteur est montable sur un cadre support (182). Un actionneur sélectif tel qu'un vérin hydraulique (138) ou un assemblage de ressort réglable sélectivement (147) permet une commande sélective d'une pression forçant la lame dans le sol. Lorsque l'actionneur sélectif est un vérin hydraulique (138) monté entre l'élément porteur (114) ou le cadre et les bras parallèles (116,118) ou l'élément support (112), le parallélogramme de commande peut être sélectivement relevé de manière à sortir la lame (10) du sol.

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