| 摘要 |
A coupling assembly includes a motor driven drive shaft. A rotatable refractory shaft is adapted to be connected to a rotor. Locking recesses are formed in an upper end of the refractory shaft. A rotatable coupling includes a body and a device for affixing the drive shaft to the body. Lever arms are fastened to the body and can be pivoted. A recess in the body receives the refractory shaft. Openings in the body extend from an exterior surface of the body to the recess. Each of the lever arms includes a protruding locking member positioned in the opening in the body. Each locking member engages a locking recess. A device exerts a force against the lever arms forcing the locking members into the locking recesses.
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