Tank spreader

Details Tank spreader Tank spreader

1977-03-10

1978-08-22

Song, Robert R.

Fluid sprinkling, spraying, and diffusing

With mobile tank-type supply means

Vehicle drawn or carried

137202, 137205, B05B 120

Patent

active

041083806

ABSTRACT:
A liquid manure spreading apparatus having a tank and a pump selectively operable to evacuate air from within the tank or supply air to the tank. A safety shut off valve located in the tank having a ball and an elongated float confined in a cage is operable to block the evacuation of air from the tank when the tank is full of liquid manure. A control valve mounted on the pump has a single spool selectively moveable with a handle to an air evacuating position and an air supplying position. A single air line is connected to the valve and tank.

REFERENCES:
patent: 2133580 (1938-10-01), Searle
patent: 2930394 (1960-03-01), Bellows
patent: 3136485 (1964-06-01), Bellows et al.
patent: 3411672 (1968-11-01), Lely et al.
patent: 3489320 (1970-01-01), MacKinnon
patent: 3544010 (1970-12-01), Jurdyc
patent: 3556127 (1971-01-01), MacKinnon
patent: 3612089 (1971-10-01), Beguiristain
patent: 3621893 (1971-11-01), Nishimura et al.
patent: 3706319 (1972-12-01), Neese et al.
patent: 3960165 (1976-06-01), Holbrook et al.

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