Solenoid operated cone brake

Details Solenoid operated cone brake Solenoid operated cone brake

1977-10-11

1978-07-11

Halvosa, George E. A.

Brakes

Operators

Electric

188 711, 188 721, 192 7015, 192 84A, 192 84C, 242 754, 2421562, F16D 5502

Patent

active

040996018

ABSTRACT:
In an oscillograph, a roll of recording paper is supported on a rotatable shaft such that the strip of recording paper passes over a metering roller driven at constant speed by a drive motor. Means to brake the shaft and prevent overrun of the recording strip comprises a magnetic solenoid-operated cone brake, adapted to momentarily place braking effort to the shaft. The cone brake has an appropriate friction liner, and serves to stop the roll, and prevent overrun. The braking effect is controlled by an electrical circuit that provides braking current to the solenoid for a selected short interval of time, sufficient to brake and stop the roll. At other times, there is no power applied to the brake.

REFERENCES:
patent: 2723806 (1955-11-01), Carter
patent: 3878922 (1975-04-01), McCarthy

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