Dwight F Devorak from Hazen, AR

Mobile Spreader Apparatus Drive System
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US Patent:

42830141, Aug 11, 1981
Filed:

Apr 9, 1979
Appl. No.:

6/028243
Inventors:

Dwight F. Devorak - Hazen AR
International Classification:

A01C 1700
US Classification:

239677
Abstract:

A mobile wheel mounted spreader apparatus has a material feed conveyor and a broadcast spreading impeller fan. A wheel driven drive train operates through a gear reducer to drive the conveyor at a speed proportional to the towed speed of the spreader apparatus and operates through a hydraulic system, to drive the impeller fan at a constant speed regardless of variations in the towed speed of the spreader apparatus.

Trailer Hitch Having A Winch Coupling Assist
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US Patent:

44666322, Aug 21, 1984
Filed:

Nov 18, 1982
Appl. No.:

6/442637
Inventors:

Dwight F. DeVorak - Hazen AR
International Classification:

B60D 100
US Classification:

280478R
Abstract:

A highway trailer hitch having a trailer connector secured to one end of a cable with the other end of the cable extending through a guide and support sleeve and mounted on a cable drum. A crank powers the cable drum to reel in cable and the attached trailer connector to provide a coupling assist for connecting a trailing vehicle to a towing vehicle.

Dwight F Devorak