Imbricating a group of flat bars

Details Imbricating a group of flat bars Imbricating a group of flat bars

1978-01-11

1979-04-24

Reeves, Robert B.

Conveyors: power-driven

Conveyor system for arranging or rearranging stream of items

By longitudinally respacing successive articles in stream

198461, B65G 4726

Patent

active

041507428

ABSTRACT:
An apparatus is provided for transferring packs of elongated flat bars in a direction normal to their length. The apparatus includes a first and second set of stationary arms, which are interleaved, and which all extend in the same direction. Both sets of arms are notched at their upper edges and means are provided to move one set of arms in a closed loop. Movable arms each have a modified notch at the downstream end with respect to flat bar travel, and this modified notch includes a dog member on at least some of the movable arms, the dog member defining a notch and pivoted to its respective arm adjacent the apex of the notch. The dog member is counterbalanced to retain the dog member with its notch oriented the same as the other notches of the arm so long as no flat bars are supported in the notch, but to allow the dog member to pivot when a pack of flat bars is supported in the dog member notch, the pivoting causing the bars to lean in the direction opposite the direction in which the flat bars are moving. The loop movement of the movable arms picks up, in the dog member notches, a pack of flat bars leaning in the forward direction, and pivots the bars so that all of them lean in the opposite direction, following which the bars are set down on a shuffle bar means adapted to separate the bars and transfer them further in the same original direction.

REFERENCES:
patent: 1950377 (1934-03-01), Allen
patent: 4022332 (1977-05-01), Freakes et al.

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