Material or article handling – Self-loading or unloading vehicles – Conveyor
Patent
1979-10-09
1981-09-15
Sheridan, Robert G.
Material or article handling
Self-loading or unloading vehicles
Conveyor
198632, 198668, B60P 140
Patent
active
042894409
ABSTRACT:
A cam operated safety switch (51) prevents the clutch device (21) for the drive for the unloading auger (34) from being shifted from a clutch disengaged position to a clutch engaged position whenever the unloading conveyor (37) is out of its crop unloading position. A branch circuit (98) with a diode (99) interconnects the tube swing switch (63) and the circuit (92) for declutching the unloading auger drive so that when the unloading conveyor (37) is swung from its unloading position to its transport position the clutch device (21) will automatically be placed in its clutch disengaged position.
REFERENCES:
patent: 3417882 (1968-12-01), McConnell
patent: 3938684 (1976-02-01), Quoiffy et al.
Allis-Chalmers Corporation
Sheridan Robert G.
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