Combine unloading auger safety switch

Details Combine unloading auger safety switch Combine unloading auger safety switch

1979-09-10

1980-12-30

Hirsch, Paul J.

Harvesters

Motorized harvester

Including plural operating units and drive

56DIG15, A01D 7518, A01D 5700

Patent

active

042415667

ABSTRACT:
In a crop harvesting and threshing machine having an internal combustion engine operatively connected via an electrical circuit to a starter motor, a grain storage tank, an unloading auger movably mounted to an in material flow communication with the storage tank, a hydraulic cylinder operatively connected to the unloading auger to effect the movement of the unloading auger between a first inboard storage position and a second outboard unloading position, a control mechanism connected to the unloading auger between the first inboard position and the second outboard position and movable between first, second and third predetermined positions, the first predetermined position corresponding to the first inboard position and the second predetermined position corresponding to the second outboard position, there is provided a safety switch operatively connected to the electrical circuit and the hydraulic cylinder such that the control mechanism must be in the third predetermined position to permit the flow of electricity through the electrical circuit to start the engine when the starter motor is engaged, thereby preventing the unexpected movement of the unloading auger between the first inboard storage position and the second outboard unloading position upon starting of the engine.

REFERENCES:
patent: 3626472 (1971-12-01), Rowland-Hill
patent: 3680291 (1972-08-01), Soteropulos
patent: 3742686 (1973-07-01), Rowland-Hill
patent: 3794046 (1974-02-01), Muijs
patent: 3995645 (1976-12-01), Rowland-Hill
patent: 4093087 (1978-06-01), DieCoene

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