Depth sensing skid assembly

Details Depth sensing skid assembly Depth sensing skid assembly

1986-09-30

1988-02-09

Stouffer, Richard T.

Earth working

With indicating or sighting means

172 4, 172712, 172265, A01B 63114

Patent

active

047236086

ABSTRACT:
A depth sensing skid arrangement for an implement including a spring steel depth skid connected to a shank which in turn is pivotally connected to a shank support bracket including a spring trip arrangement which permits backing of the implement without damage to the skid or shank. The shank support bracket in turn is connected to a transverse beam operably connected to valve control structure for operating a hydraulic cylinder to maintain a preselected depth of penetration of earth-working tools mounted on the frame. To provide an averaging effect, two resilient depth skids are transversely spaced on the beam.

REFERENCES:
patent: 1604721 (1926-10-01), Riepe
patent: 3402784 (1968-09-01), Roberson et al.
patent: 3658133 (1972-04-01), Sweet et al.
patent: 3844357 (1974-10-01), Ellinger
patent: 4031963 (1977-06-01), Poggemiller et al.
patent: 4252198 (1981-02-01), Formhals
patent: 4355688 (1982-10-01), Hamm et al.
patent: 4600060 (1986-07-01), Winter et al.

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