Switch device and method for controlling a sprayer

Details Switch device and method for controlling a sprayer Switch device and method for controlling a sprayer

2006-08-08

2006-08-08

Friedhofer, Michael A. (Department: 2832)

Electricity: circuit makers and breakers

Special application

Control by direction of rotation of shaft or spindle

C200S061410, C200S573000

Reexamination Certificate

active

07087849

ABSTRACT:
A control device processes or agricultural sprayer. A slip member biased by a retaining member and springs to an initial neutral position produces a signal by a sensor upon initiation or cessation of angular forces from rotation of a machine driven shaft. The signal is caused by movement of the slip member from friction produced by an impeller situated within the grease filled slip member. The impeller is coupled directly or indirectly to the machine driven shaft and rotates upon rotation of the shaft. Upon initiation of angular forces on the impeller, the signal produced may cause a valve on an agricultural sprayer to open and initiate spraying therefrom. Upon cessation of angular forces on the impeller, the valve may be closed to turn off the spraying.

REFERENCES:
patent: 3549833 (1970-12-01), Horton
patent: 3626119 (1971-12-01), Fry
patent: 3992597 (1976-11-01), Hannula
patent: 4320317 (1982-03-01), Bowey
patent: 4406934 (1983-09-01), Elszasz
patent: 4934598 (1990-06-01), Schnetzer et al.
patent: 6935205 (2005-08-01), Danek

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