Accumulating conveyor system

Details Accumulating conveyor system Accumulating conveyor system

1979-10-01

1980-12-09

Reeves, Robert B.

Conveyors: power-driven

Conveyor system for arranging or rearranging stream of items

By longitudinally respacing successive articles in stream

198751, B65G 4726

Patent

active

042380260

ABSTRACT:
The specification discloses an accumulating conveyor system (10) including fixed support rails (24), a pair of chains (18), each having half tall links (70) and half short links (72), mounted around upper and lower movable guides (68) and (66) respectively. Air bags (52) serve to raise the guides and chains to lift stacks or cases off the rails, and a cylinder (96) serves to index the raised guides and chains forward, whereupon the air bags are deflated to set the stacks back onto the rails, and the cylinder retracts. When a stack is thus "walked" to the end of the tall links, a switch (104) causes the chains to retract the length of a stack plus a clearance gap relative to the guides (68) to accommodate the accumulation of the next stack and bringing short links beneath the accumulated stacks. When it is desired to discharge the accumulated stacks, a dual level plate member (88), which is slidable relative to the guides, allows the air bags to raise the guides one level higher, thereby causing the short links to lift the accumulated stacks and carry them to discharge when the cylinder indexes. Accumulation and discharge may occur simultaneously.

REFERENCES:
patent: 3565241 (1971-02-01), Race

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