Closed circuit switching machine, on a vertical plane, with devi

Details Closed circuit switching machine, on a vertical plane, with devi Closed circuit switching machine, on a vertical plane, with devi

1998-01-12

1999-12-28

Terrell, William E.

Conveyors: power-driven

Conveyor section

Unit load conveying surface means moved about an endless or...

198800, B65G 1716, B65G 1748

Patent

active

060068973

ABSTRACT:
A switching machine having a number of trolleys pulled by belts mounted on drive wheels set at the ends of the machine and comprising a mechanism suitable for imposing a counter rotating motion on the trolleys, so as to maintain them in a correct position while passing over the drive wheels.
The mechanism for achieving the counter rotation motion on the trolleys comprises a number of first sprockets, mounted on a support firmly attached to the drive wheels, having a rotation motion proportional to the rotation of the drive wheels and having the same direction, and, for each trolley, a sprocket firmly attached to the frame of the trolley, suitable for meshing with said first sprockets when the trolley reaches the ends of its path.

REFERENCES:
patent: 697008 (1902-04-01), Palmer
patent: 5387260 (1995-02-01), Gennari et al.
patent: 5642604 (1997-07-01), Muller

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