Apparatus for moving a carriage or the like

Details Apparatus for moving a carriage or the like Apparatus for moving a carriage or the like

1987-07-14

1989-03-14

Levy, Stuart S.

Advancing material of indeterminate length

By intermittent material-mover

Unicyclic mover

226118, 226134, B65H 1736

Patent

active

048118796

ABSTRACT:
An apparatus is disclosed which serves to move a carriage in one direction over a predetermined distance at a substantially uniform velocity and to return the carriage at a varying velocity so that a film web delivered at a constant velocity is intermittently advanced relative to a welding device fixed to a frame. The apparatus comprises a lever, which is adapted to be pivotally oscillated by a drive and which by virtue of a first guide provided on the lever and a slider or roller cooperating with the guide imparts a motion to the carriage. The carriage is movable on track rods in a plane which is parallel to the plane in which the lever is pivotally movable. In order to provide an apparatus which is compact and space-saving, the lever is driven by a crank, which revolves in a plane parallel to the plane in which the lever is pivotally movable. The crank is carried by a driven crankshaft and carries a crankpin, which carries a slider or a roller, which is movable in a second guide provided on the lever, which second guide is provided on the lever, which second guide is disposed on a side of the lever opposite the side in which the first guide is provided.

REFERENCES:
patent: 3863823 (1975-02-01), Allred
patent: 4089451 (1978-05-01), Zlaikha
patent: 4333593 (1982-06-01), Bihler et al.
patent: 4552294 (1985-11-01), Rotzler

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