Conveyors: power-driven – Conveyor for changing attitude of item relative to conveyed... – For changing both the elevation and the posture of...
Patent
1987-11-04
1991-02-26
Valenza, Joseph E.
Conveyors: power-driven
Conveyor for changing attitude of item relative to conveyed...
For changing both the elevation and the posture of...
198457, 198841, 271251, B65G 4724
Patent
active
049955047
ABSTRACT:
As a device for straightening of letters and similar flat transported articles upon passage from a free wheeling section with a bottom conveyor belt to a cover belt section, whereby the letters are transported upright on a lengthwise edge and generally at the transition to the cover belt section are shifted in the vertical direction between the side belts of the free wheeling section by running against the bottom belt, a guide plate is provided at either side in the letter displacement zone, the plate has a step extending parallel in the direction of transport of the side belts and has a width equalling the thickness of a side belt, for the purpose of avoiding tearing of the letter flaps. The guide plates extend to the upper edge of the side belts and, by the flutter-free movement of the side belts, achieve a smooth sliding of the letters between the side belts.
REFERENCES:
patent: 3203534 (1965-08-01), Burkhardt et al.
patent: 3595565 (1971-07-01), Bergland
patent: 4432686 (1984-02-01), Feldkamper
Licentia Patent-Verwaltungs GmbH
Valenza Joseph E.
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