Drive roller unit

Details Drive roller unit Drive roller unit

1990-04-13

1991-06-25

Valenza, Joseph E.

Conveyors: power-driven

Conveyor section

Live roll

198788, B65G 1302

Patent

active

050259156

ABSTRACT:
A drive roller unit for driving articles on a conveyor track includes a drive roller which can be driven in rotation by an electric motor by way of a planetary transmission. The drive roller is mounted rotatably on a guide body by means of which it is movable with respect to a base of the unit between a lower rest position and an upper drive position in which it is in engagement with the underside of the article to be driven. An internal gear ring which is fixedly connected to the drive roller internally thereof forms a crown wheel of the planetary transmission, while at least one planet wheel of the planetary transmission meshes on the one hand with the internal gear ring and on the other hand with the sun wheel of the planetary transmission. The sun wheel is driven by the electric motor. The planet wheel carrier is rotatably mounted in the guide body and is provided with a tooth arrangement which rolls against a guide gear. The guide gear is concentric with respect to the axis of rotation of the guide body, about which the guide body rotates in moving between the upper and lower positions of the drive roller.

REFERENCES:
patent: 4697694 (1987-10-01), Huber
patent: 4792037 (1988-12-01), Huber

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