Conveying device with pusher fingers

Details Conveying device with pusher fingers Conveying device with pusher fingers

1982-08-11

1984-05-08

Valenza, Joseph E.

Conveyors: power-driven

Conveyor system for arranging or rearranging stream of items

By laterally or vertically moving successive items in...

198461, 209917, 271314, 271272, B65G 4726

Patent

active

044469624

ABSTRACT:
A conveying device for rectangular substantially flat objects, for example, letters, including first and second conveyor sections each including a guide trough which defines a conveying path for the objects and supports a longitudinal edge of same, a direction changing conveyor section connecting the first and second sections together so that objects can be conveyed from the first to the second section, and a rotating pulling device having a plurality of pusher fingers mounted thereon for moving the fingers along the guide troughs of the first and second conveyor sections so as to move objects along the conveying path. The pulling device is mounted on a plurality of drums with one of these drums being disposed in the direction changing conveyor section and having a first contact surface for the pulling device. The directing changing conveyor section comprises a second contact surface on the drum within the direction changing conveyor section with the second contact surface having a greater radius than that of the first contact surface, an endless cover belt, and a plurality of rollers for supporting and guiding the cover belt so that it normally encloses and contacts the portion of the second contact surface in said direction changing conveyor section and so that it coacts with the guide troughs as an outer guide element for the objects in the transition regions between each of the first and second conveyor sections and the direction changing conveyor section, whereby the objects are held between the cover belt and the second contact surface and conveyed thereby through the direction changing conveyor section.

REFERENCES:
patent: 2016268 (1935-10-01), Griffith
patent: 3100564 (1963-08-01), Levy
patent: 3921791 (1975-11-01), Bornfleth et al.
patent: 3938650 (1976-02-01), Holt
patent: 4047712 (1977-09-01), Burkhardt et al.
patent: 4122940 (1978-10-01), Hoffmann
patent: 4147252 (1979-04-01), Burkhardt

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