A - Human Necessities – 01 – C
Patent
A - Human Necessities
01
C
A01C 5/06 (2006.01) A01C 7/08 (2006.01)
Patent
CA 2591379
A trailing arm furrow opener apparatus includes a furrow opener bracket attached to the rear link of a parallel link assembly such that the furrow opener bracket and furrow opener attached thereto is maintained in a constant fore and aft angular orientation as the assembly moves up and down. A packer wheel arm is fixed to one of the upper and lower parallel arm members of the parallel link assembly, and extends rearward from the rear link, and a packer wheel is mounted to the packer wheel arm. A bias device exerts a downward force on the assembly. The presentation angle of the furrow opener with respect to the ground is maintained constant while the assembly moves up and down.
Organe ouvre-sillon à bras longitudinal comprenant un support de montage d'organe ouvre-sillon fixé au bras arrière du parallélogramme de telle sorte que le support de l'organe ouvre-sillon et que l'organe ouvre sillon proprement dit qui y est fixé sont maintenus à une orientation angulaire avant-arrière constante alors que l'ensemble se déplace sur le plan vertical. Un bras de montage de rouleau à pointes est fixé à l'un des bras supérieur et inférieur du parallélogramme et se prolonge vers l'arrière à partir du bras longitudinal arrière, et un rouleau à pointes est monté sur le bras de rouleau à pointe. Un dispositif de pesée exerce une force vers le bas sur l'ensemble. L'angle d'orientation de l'organe ouvre-sillon par rapport au sol est maintenu constamment alors que l'ensemble se déplace sur le plan vertical.
Cresswell Mark
Lung Devin
Bourgault Industries Ltd.
Macpherson Leslie & Tyerman Llp
LandOfFree
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