Pressure and depth control in agricultural implement
AssigneeThe United States of America as represnted by the Secretary of Agriculture
InventorLyle M. Carter
Life of this patent
Estimating the term…
Abstract
A soil contacting implement and depth gauging wheel at a predetermined vertical distance from the implement are provided for attachment to a tractor. Upward or downward movement of the wheel on the soil causes a deviation from the predetermined vertical displacement thereby triggering an adjustment to the downward force on the implement so as to reestablish the predetermined displacement. The magnitude of the predetermined displacement manually may be altered. In addition, the downward force of the wheel manually is adjustable without altering the magnitude of the predetermined displacement.
Claims6
Apparatus for controlling the depth of soil penetration of a ground contact implement
- a. first adjustable downpressure means connected to said ground contact implement;
- b. depth gauging wheel means adjacent said implement;
- c. means to adjust the vertical displacement of said wheel means so as to establish a predetermined vertical distance between said wheel means and implement;
- d. control means operably connected to said wheel means and said first adjustable downpressure means to control the degree of downpressure on said implement in response to upward or downward movement of said wheel on said soil, so as to maintain a substantially constant vertical distance between said wheel means and implement;
- and
- e. second adjustable downpressure means connected to said wheel means to adjust the downpressure thereon without affecting the vertical displacement of said wheel means.
Dependencies are inferred from the claim text.