Conveyors: power-driven – Conveyor section – Endless conveyor
Patent
1976-08-02
1978-04-04
Blunk, Evon C.
Conveyors: power-driven
Conveyor section
Endless conveyor
198788, B65G 2300
Patent
active
040821803
ABSTRACT:
A motorized conveyor pulley in which a rim and two end discs form a closed compartment and an electric motor and speed reducer are disposed in axial alignment with one another in the compartment. The motor is supported by a nonrotatable shaft extending through one end disc, and the speed reducer is connected to the motor by an input shaft and has an output shaft which is rigidly connected to the other end disc for rotating the pulley in response to the operation of the motor. A bearing is provided on said first shaft for permitting free rotation of the pulley with respect to the motor and the shaft, which are preferably prevented from rotating by a torque arm connected to the shaft. The air in the compartment is recirculated through the motor and along the inside surface of the pulley rim to cool the motor. The enclosed compartment is essentially sealed to minimize the entrance of dirt, excess moisture and other foreign materials thereinto, thus prolonging the life of the motor and speed reducer and minimizing the service requirements on the pulley assembly.
REFERENCES:
patent: 1825119 (1931-09-01), Mug
patent: 2439520 (1948-04-01), Miller
patent: 2736205 (1956-02-01), Dunne
patent: 2736209 (1956-02-01), Christian
patent: 2915167 (1959-12-01), Berger
patent: 2949048 (1960-08-01), Lewis
patent: 2997608 (1961-08-01), Musser
patent: 3122945 (1964-03-01), Chung
patent: 3376758 (1968-04-01), Mackay
Promotional Material - Self-Contained Packaged Power Terminal with the PPT.
Blunk Evon C.
Hobbs Marmaduke A.
Reliance Electric Company
Watts Douglas D.
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