Aerator carried by automotive vehicle and control system therefo

Details Aerator carried by automotive vehicle and control system therefo Aerator carried by automotive vehicle and control system therefo

1983-08-10

1986-01-28

Stouffer, Richard T.

Earth working

Automatic power control

Land leveller type

111 6, 172 21, 172 98, 172117, 405269, A01B 4502, A01B 63114, A01C 2302

Patent

active

045665435

ABSTRACT:
An automotive aerator includes a tractor or the like and an aerator carried movable vertically by the tractor or the like. A landing sensor for the detection of the spike pipe of the aerator, a device for driving the spike pipe into soil, and a depth sensor for detecting that the spike pipe has been driven to a predetermined depth in soil are provided so that actuation of the spike pipe driving device is preferably started when the spike pipe engages the surface of the ground and is stopped when the spike pipe reaches the predetermined depth.

REFERENCES:
patent: 2302944 (1942-11-01), Helbig
patent: 2789522 (1957-04-01), Barton
patent: 3029756 (1962-04-01), Krivda
patent: 3450073 (1969-06-01), Baker
patent: 3546886 (1970-12-01), Jones et al.
patent: 3608318 (1971-09-01), Levy et al.
patent: 4069774 (1978-01-01), Lofgren et al.

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