Conveyors: power-driven – Conveyor system for arranging or rearranging stream of items – By laterally or vertically moving successive items in...
Patent
1975-03-18
1976-04-06
Blunk, Evon C.
Conveyors: power-driven
Conveyor system for arranging or rearranging stream of items
By laterally or vertically moving successive items in...
198244, 214 1Q, 271 66, 271 83, 271186, B65G 4724
Patent
active
039483851
ABSTRACT:
An apparatus for inverting a sheet member comprising a pair of spaced conveyors cooperatively defining a conveyor passage along which a sheet member can be advanced, and a rotatable arm assembly mounted between the conveyors and including upper and lower arms defining an opening therebetween, adapted for receiving the sheet member from the upstream conveyor and conveying the sheet member to the downstream conveyor. The arms continue rotating back to the initial position after depositing the sheet on the downstream conveyor. The arms are driven at a non-uniform speed and accelerate from the initial position to an upright position and then decelerate from the upright position to the position adjacent the downstream conveyor. The upper arm includes a swingable clamp which rotates in a direction opposite to the direction of rotation of the arm when going from the initial position to the upright position, and which rotates in the same direction as the arms when they go from the upright position to the position adjacent the downstream conveyor. After the release of the sheet material to the downstream conveyor, the rotatable supporting shaft of the arm is lowered to a position below the conveyors and the arms continue rotating back to the initial position, whereby successively fed sheet members can be alternately inverted.
REFERENCES:
patent: 230962 (1880-08-01), Perkins
Blunk Evon C.
Kabushiki Kaisha Tomoku
Watts Douglas D.
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