1
Richard H Mott: Hydraulic cylinder. DU AL Manufacturing Company, Hill Gross Simpson Van Santen Steadman Chiara & Simpson, January 18, 1977: US04003297 (13 worldwide citation)

A hydraulic cylinder assembly for farm machinery or the like including a tubular elongate cylinder with a smooth inner cylindrical wall and a fluid inlet at a first end with a hollow piston rod slidable therein having an annular piston secured at a first end and slidable within the cylinder wall wit ...


2
Richard H Mott, Clyde L Pritchard: Automatic hydraulic series-parallel shift device for implement. Du Al Manufacturing Company, Hill Gross Simpson Van Santen Steadman Chiara & Simpson, December 12, 1978: US04129258 (11 worldwide citation)

An apparatus such as a farm implement or other mechanical device subject to varying loads and power requirements has an hydraulic circuit which automatically shifts two or more hydraulic motors from a normal series operation at high speed to a parallel operation at reduced speed but higher torque in ...


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Richard H Mott, Gary L Erlenbusch: Bale handling device. Du Al Manufacturing Company, Hill Gross Simpson Van Santen Steadman Chiara & Simpson, March 16, 1976: US03944274 (4 worldwide citation)

A bale handling device, more particularly a bale pick-up device, includes a plurality of squared C-shaped hooks which are individually pivotally mounted between pairs of elongate support members and pivotally mounted to actuating members for pivoting into a raised position out of engagement with the ...


5
Gary L Erlenbusch, Richard H Mott: Automatic gate for a bale accumulator. Du Al Manufacturing Company, Hill Gross Simpson Van Santen Steadman Chiara & Simpson, May 25, 1976: US03958823 (2 worldwide citation)

An improved gate for a bale accumulator which prevents bouncing of the latching mechanisms so that the gate passes by and is unlocked. Automatic bale accumulators accumulate bales of hay and release them when the accumulator is filled; and after all of the bales have passed out of the accumulator, t ...


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