Hydraulic cylinder assembly for two-stage discharge on manure sp

Details Hydraulic cylinder assembly for two-stage discharge on manure sp Hydraulic cylinder assembly for two-stage discharge on manure sp

1978-12-04

1980-11-18

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Container for non-fluid material, and scattering means

Including driven conveyor or follower feeding material...

91189R, 414510, 414511, A01C 306, A01C 1900

Patent

active

042341302

ABSTRACT:
A hydraulically operated conveying mechanism for a manure spreader composed of a fore-and-aft shiftable floor extension that is supported on a fixed floor of the spreader box and a transverse vertical push-off supported to shift fore-and-aft on the extension. First and second hydraulic cylinders are used to shift the floor extension and push-off respectively and includes a first cylinder and associated rod with the latter being composed of inner and outer concentric tubes closed at their respective ends and with the inner tube opening into the closed end of the cylinder. The outer tube has a port opening into the cylinder. The second double-acting cylinder that operates the push-off has its opposite ends in fluid communication with the inner tube and outer tubes. A shuttle valve within the main cylinder shifts axially to close the port as fluid is introduced to the closed end of the main cylinder and opens the port as the rod approaches its fully extended position.

REFERENCES:
patent: 3207382 (1965-09-01), Chappuis
patent: 3682333 (1972-08-01), Krause
patent: 4069982 (1978-01-01), Brackbill

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