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US 2004/0163934 A1Published application
Clutch and brake for a conveyor drive roll
AssigneeVan der Graaf Inc.
InventorAlexander D. Kanaris
Life of this patent
Estimating the term…
Abstract
An intermittent internal drive system for a drum conveyor, where the conveyor is started, stopped and restarted and having a drive drum with a hollow interior, a drive motor mounted within and enclosed by the drum for rotating the drum, a clutch located within and enclosed by the drum and connected to the motor and for transmitting rotation from the motor to the drum, and, a brake within and enclosed by the drum and connected to the drum for restraining rotation of the drum.
Claims10
An intermittent internal drive system for a drum conveyor, wherein said conveyor is started, stopped and restarted repeatedly, and comprising;
- a drive drum defining a hollow interior;
- a drive motor mounted within and enclosed by said drum and operable to rotate said drum;
- a clutch located within and enclosed by said drum and connected to said motor and operable to transmit rotation from said motor to said drum, and being operable to discontinue transmission from said motor to said drum;
- and,
- a brake within and enclosed by said drum and connected to said drum and being operable to stop rotation of said drum, and being operable to permit rotation of said drum.
2 more elements
Dependencies are inferred from the claim text.