Self-propelled reversible irrigation machine

Fluid sprinkling – spraying – and diffusing – With heating or cooling means for the system or system fluid – Spray terminal carrying member carriers heater

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180 22, 180 79, 239199, 280 4716, B05B 318

Patent

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043546374

ABSTRACT:
Oppositely turning continuously driven front and rear traction wheels are carried on a common frame which is rockable on a transverse axis with respect to wide stance carriage wheels. A hose reel located centrally on the rockable frame is driven in rotation about a vertical axis by a power take-off from the drive of the traction wheels. A reversing weight is held by gravity in a first operative position to depress one traction wheel while elevating the other traction wheel. Following contact with an obstruction, the weight is dislodged and slides to a second operative position for depressing the other traction wheel and elevating the previously depressed traction wheel.

REFERENCES:
patent: 2892466 (1959-06-01), Stilwell et al.
patent: 3009645 (1961-11-01), Nugent
patent: 3175635 (1965-03-01), Bryan
patent: 4230275 (1980-10-01), Tidwell

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