Emergency PTO driving unit

Details Emergency PTO driving unit Emergency PTO driving unit

1984-06-06

1986-05-20

Staab, Lawrence J.

Machine element or mechanism

Power take-off

From shaft extension

180133, 180 534, 192 91A, F16H 3700, B62D 500, B60K 1728, B60K 2500

Patent

active

045892938

ABSTRACT:
An emergency PTO driving unit including an emergency PTO pump being normally equipped to a vehicle for an industrial machinery, said emergency PTO pump being interconnected through a clutch unit to an axle to utilize rotation of a wheel as a power source for driving the pump, said clutch unit being so composed that the clutch is brought into a "disengaged" state by means of a hydraulic pressure supplied from a proper hydraulic pump driven by an engine when the engine is running, and the clutch is brought into an "engaged" state by means of a spring means when the engine is stopped.

REFERENCES:
patent: 2742991 (1956-04-01), Gilbert et al.
patent: 3004438 (1961-10-01), Funk et al.
patent: 3522861 (1970-08-01), Middlesworth et al.
patent: 3696613 (1972-10-01), Goodale
patent: 3800900 (1974-04-01), Goodale
patent: 3975908 (1976-08-01), Smith et al.
"Emergency Steering--Which System is Best?", SAE Tech. Paper Series 810988, R. L. Guenther, Sep. 1981.

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