Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1983-06-13
1986-02-18
Braun, Leslie A.
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
74713, F16H 1445
Patent
active
045705097
ABSTRACT:
A farm tractor includes differentials interposed in the front and rear axles of an agricultural vehicle. The differentials include hydraulically-operated locks each controlled by a solenoid-operated valve. The solenoid valves are controlled by a control circuit which includes a latching relay, a normally open manual switch operable only to close the relay and lock the differential and a pair of series-connected, normally closed switches which are operable only to unlock the differential in response to vehicle steering or braking operation.
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Braun Leslie A.
Deere & Company
Diehl Dwight G.
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