Power plants – Pressure fluid source and motor – Apparatus having means responsive to or ameliorating the...
Patent
1977-07-01
1978-07-25
Geoghegan, Edgar W.
Power plants
Pressure fluid source and motor
Apparatus having means responsive to or ameliorating the...
60405, F15B 2000
Patent
active
041021290
ABSTRACT:
Control apparatus is provided for an apparatus which has first and second mechanisms. The control apparatus automatically, controllably energizes the second mechanism in response to a preselected condition of the first mechanism and selectively, controllably energizes the second mechanism independently of the condition of the first mechanism.
REFERENCES:
patent: 2954671 (1960-10-01), Kress
patent: 3921748 (1975-11-01), Dunn
patent: 3940931 (1976-03-01), Renfro et al.
Caterpillar Tractor Co.
Geoghegan Edgar W.
James John L.
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