Planting – Drilling and broadcasting – Main and auxiliary frame machines
Patent
1980-11-28
1986-10-14
Feyrer, James R.
Planting
Drilling and broadcasting
Main and auxiliary frame machines
221 8, 340684, A01C 500
Patent
active
046165770
ABSTRACT:
A machine, such as a seed drill, has a conveying member for seeds or the like defining a path along which seed or other material is conveyed in discrete units during normal operations. The machine has an indication arrangement including a distance measuring instrument comprising a proximity sensor adjacent the conveying member for monitoring the pressure of material as it is moved along the path defined by the conveying member. A display panel connected to the distance measuring instrument renders occurrences comprising the movement or lack of movement of the material as sensed by the distance measuring instrument sensorially perceptible.
REFERENCES:
patent: 3997063 (1976-12-01), Adams
patent: 4025846 (1977-05-01), Franz et al.
patent: 4085862 (1978-04-01), Steffen
Albright Penrose Lucas
Feyrer James R.
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