Control arrangement for an implement draft tongue

Details Control arrangement for an implement draft tongue Control arrangement for an implement draft tongue

A - Human Necessities

01

B

A01B 63/112 (2006.01) A01B 59/042 (2006.01) A01B 73/00 (2006.01) A01D 67/00 (2006.01) B60D 1/44 (2006.01)

Patent

CA 2354336

An implement draft tongue is moved through a range of working positions to a transport position extending transverse to the working direction of the implement by an extensible and retractable hydraulic actuator. A control for the hydraulic cylinder includes an interrupter valve that is actuated, in response to a preselected extension of the hydraulic cylinder so as to prevent the cylinder from extending beyond a position for moving the draft tongue to one extreme of its operating range, when an actuating device for the interrupt valve is enabled. When the actuating device for the interrupt valve is disabled, the hydraulic actuator may be extended fully to place the draft tongue in its transport position.

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