ORIENTATION-FREE BRAKE MECHANISM

A brake assembly (10) for selectively starting and stopping rotation of a shaft (12) journaled in a frame (14) of a motor comprises an end plate (16) mounted to the motor frame, the end plate (16) being formed with mounting slots (40) formed axially therein. Friction discs (26, 26a) are secured to t...

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Bibliographic Details
Main Authors STELZER, WALTER G, HAMBERGER, JERRY L, LINDNER, BERNARD J, LORENZ, HAROLD
Format Patent
LanguageEnglish
French
Published 11.05.1999
Edition6
Subjects
BLASTING
BRAKES
CLUTCHES
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
COUPLINGS FOR TRANSMITTING ROTATION
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
GENERATION
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:A brake assembly (10) for selectively starting and stopping rotation of a shaft (12) journaled in a frame (14) of a motor comprises an end plate (16) mounted to the motor frame, the end plate (16) being formed with mounting slots (40) formed axially therein. Friction discs (26, 26a) are secured to the shaft (12) for rotation therewith about the longitudinal axis of the shaft (12) and pressure plates (36, 36a, 36b) are non-rotatably mounted in the mounting slots (40) of the end plates (16) and axially movable toward and away from the friction discs (26, 26a). Separator springs (124) are slidably mounted around a peripheral portion of the pressure plates (36, 36a) mounted in the mounting slots (40) for urging the pressure plates (36, 36a) away from the friction discs (26, 26a) to minimize brake drag caused by contact of the pressure plates (36, 36a, 36b) and the friction discs (26, 26a) during rotation of the shaft (12), and for suppressing noise and wear caused by contact of the pressure plates (36, 36a) relative to the end plate (16) during brake operation.
Bibliography:Application Number: CA19952141829