Conveyor load shunting apparatus

Conveyors: power-driven – Conveyor arrangement for selecting among plural sources or... – By passive material-diverting means placed across the flow path

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Details

198442, 198599, 198637, B65G 4746

Patent

active

041732740

ABSTRACT:
Conveyer load shunting apparatus having a housing with a main shaft equipped with a radial shunt bar extending over the conveyer to divert a load traveling on one conveyer to another. A lever on the main shaft is swung by a solenoid via a push-pull rod to swing the shunt bar from neutral to a shunting position. A spring biases the shunt bar to neutral and the solenoid armature extended. A horizontal rocker bar extends from the housing into the conveyer and has a radial leg equipped with a load engaging wheel. A spring and a radial switch bar on the rocker shaft biases the rocker shaft angularly to swing the wheel to a neutral position below the conveyer. A radial blocker arm on the rocker shaft has an end which is engageable with a peg on the lever of the main shaft to block the angular position of the main shaft with the shunt bar in shunt position. Thus the weight of the load holds the apparatus in shunt position with no strain on the solenoid. Upon the load moving off the wheel, the rocker shaft moves angularly to unclock the peg on the lever of the main shaft and the main shaft is spring biased to swing the shunt bar to neutral and move the armature to its extended position. An air cylinder may be substituted for the solenoid.

REFERENCES:
patent: 3006457 (1961-10-01), Weiss
patent: 3983988 (1976-10-01), Maxted et al.
patent: 4077506 (1978-03-01), Schlottmann et al.

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