Row marker arm assembly

Details Row marker arm assembly Row marker arm assembly

A - Human Necessities

01

B

111/46

A01B 69/02 (2006.01)

Patent

CA 1188567

ROW MARKER ARM ASSEMBLY ABSTRACT OF THE DISCLOSURE An agricultural row marker assembly is provided which includes a three-piece articulated arm and which is hydraulically actuated. The assembly has a base which is connectable to an agricultural tool bar. A second arm is pivotally mounted to the first arm and a telescopingly extendable third arm is pivotally connected to the second arm. A marker disc is located at the distal end of the third arm. The arm is hydrau- lically actuated with the hydraulic cylinder acting on the first arm through a link member. A second link runs from the base to the second arm and a cable runs between the second link and the third arm so that exten- tion of the hydraulic cylinders extendable rod urges all three arms in the substantially linear alignment.

430868

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