Conveyors: power-driven – Conveyor for changing attitude of item relative to conveyed... – By conveying randomly faced items and turning items to...
Patent
1985-04-04
1987-07-07
Spar, Robert J.
Conveyors: power-driven
Conveyor for changing attitude of item relative to conveyed...
By conveying randomly faced items and turning items to...
198394, 198444, 198577, 221188, B65G 4719, B65G 4720
Patent
active
046780734
ABSTRACT:
A hopper tray for receiving a bulk array for articles, all the same oblong shape and size, is disposed on one side of an elongated conveyer. The tray is angularly movable between an up position at which articles on the tray are discharged onto the conveyer and a down position. The articles are transported one at a time, to a zone at which they are stopped by their contact with a stop plate and their arrival is indicated by a signal fed from a photodetector to a controller. A failure of an article to timely arrive at the zone indicates a probable jamming upstream of articles, and the controller responds to cause a temporary reverse movement of the conveyer tending to relieve the jam. The article stopped by the plate is, if at an angle, reoriented to bear flush against the plate, either lengthwise or widthwise to the conveyer, by the force exerted on the articles by the continuing movement of the conveyer. A probe senses whether the articles have been oriented lengthwise or widthwise. If widthwise, the stop plate is moved by a piston to locate the length axis of the stopped article in the position occupied by the width axis of lengthwise articles when stopped. The stopped articles are adapted to be removed from the zone by a robot unit. To prevent interference with such removal the next article is temporarily clamped against a guide wall on one side of the conveyer.
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Anderson Carl R.
Seaman Gary G.
American Telephone and Telegraph Company, AT&T Technologies, Inc
Kimms Lyle
Kip, Jr. R. F.
Newman Harry L.
Spar Robert J.
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