Tractor seat-operated hydraulic valve control

Details Tractor seat-operated hydraulic valve control Tractor seat-operated hydraulic valve control

1983-02-03

1984-08-21

Peters, Jr., Joseph F.

Motor vehicles

With means for promoting safety of vehicle, its occupant or...

Responsive to absence or inattention of operator, or...

56 105, B60K 2500

Patent

active

044665040

ABSTRACT:
A tractor seat-operated hydraulic valve control including a power tractor and a hydraulically powered implement connected with the tractor. A hydraulic valve on the tractor is controlled by a manual lever connected therewith and by a mechanical connection between a pivotally mounted operator's seat and the valve. When the operator is off the seat the control moves the valve to the neutral position.

REFERENCES:
patent: 710508 (1902-10-01), Ott
patent: 2612232 (1952-09-01), Morrison
patent: 3229452 (1966-01-01), Hasenbank
patent: 3334488 (1967-08-01), Lauck
patent: 3590564 (1971-07-01), Clifford
patent: 3736729 (1973-06-01), Peterson
patent: 3918240 (1975-11-01), Haffner
patent: 3969875 (1976-07-01), Nofel
patent: 4178741 (1979-12-01), Lonn

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