Conveyors: power-driven – Conveyor for changing attitude of item relative to conveyed... – For inverting successive items
Patent
1978-03-29
1979-11-27
Reeves, Robert B.
Conveyors: power-driven
Conveyor for changing attitude of item relative to conveyed...
For inverting successive items
271186, 414759, B65G 4724
Patent
active
041756550
ABSTRACT:
An apparatus for inverting a panel member comprises a conveyor having a plurality of spaced-apart, substantially parallel endless belts; a frame member including first and second pairs of opposed uprights disposed above and enclosing the conveyor; a panel raising mechanism pivotally connected to the frame above the conveyor; and a panel lowering mechanism pivotally connected to the frame above the conveyor. The panel raising mechanism includes a transverse bar rotatably mounted above the conveyor on the second pair of opposed frame uprights. The mechanism further includes a plurality of spaced-apart extension members which are rigidly connected to the transverse bar. A roller is rotatably connected to the free end of each of the extension members, the rollers being spaced apart from each other such that each of them can fit in the space between adjacent endless belts. The panel lowering mechanism which is pivotally mounted on the first pair of frame uprights is substantially identical in structure to the panel raising mechanism. The panel raising and panel lowering rollers are pivoted about their respective transverse bars above and below the conveyor by a cam-lever assembly. The cam-lever assembly coordinates the operation of the panel raising and lowering mechanisms such that when the leading edge of the panel initially engages the panel raising mechanism the rollers thereof are disposed below the conveyor while the panel lowering rollers are disposed above the conveyor. When the panel raising mechanism has raised the panel to a vertical position, the panel raising rollers and the panel lowering rollers are both disposed above the conveyor. When the panel lowering mechanism moves the leading edge of the panel back onto the conveyor the panel lowering rollers are disposed below the conveyor while the panel raising rollers are disposed above the conveyor. When the cam has completed a complete cycle, the rollers reassume the panel receiving position.
REFERENCES:
patent: 3967723 (1976-07-01), Beckham
Champion International Corporation
Reeves Robert B.
Sommer Evelyn M.
Watts Douglas D.
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