Draft sensing device including load pin with free end

Details Draft sensing device including load pin with free end Draft sensing device including load pin with free end

1979-07-02

1981-06-09

Stouffer, Richard T.

Earth working

Automatic power control

Draft responsive

172430, A01B 63112

Patent

active

042719100

ABSTRACT:
An improved draft sensing device for a tractor draft control system, the draft sensing device including a tapered load pin having its large end rigidly attached to the tractor and its free end pivotally carrying the tractor draft link through a load arm which imposes a torsional load on the load pin in proportion to the draft load. A bracket secured to the load arm amplifies and measures the load pin motion.

REFERENCES:
patent: 3239013 (1966-03-01), Hanssmann
patent: 3246702 (1966-04-01), Carlin
patent: 3516498 (1970-06-01), Schowalter
patent: 3517747 (1970-06-01), Fischer
patent: 3520369 (1970-07-01), Nicholson
patent: 3814188 (1974-06-01), Ahne
patent: 3994347 (1976-11-01), Schowalter
patent: 3994348 (1976-11-01), Schowalter
patent: 3995696 (1976-12-01), Kainer et al.
patent: 4059159 (1977-11-01), Moorhouse et al.
patent: 4185697 (1980-01-01), Berg

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