Richard W. Agge - Decatur IL Kenneth W. Kelly - Warrensburg IL
Assignee:
Caterpillar Tractor Co. - Peoria IL
International Classification:
F16K 1118 G05G 904
US Classification:
91521
Abstract:
Control apparatus is provided for a mechanism which has first, second and third work elements each movable between a first position at which the work element is fully retracted and a second position at which the work element is fully extended. The control apparatus includes a single lever device for controllably moving one of the work elements between the first and second positions while maintaining the other work elements in preselected positions in response to controllably directing a pressurized fluid.
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DEDICO ESTOS PENSAMIENTOS A TODAS AQUELLAS PERSONAS A LAS QUE EN ALGUN...