Patent ID: 9200977
Filing Date: 2015-12-01
Classification: E04H,F01D,F05D,F16D,G01M,Y10T

Abstract:
1. A coupling for connecting a rotor to a balancing test machine, the coupling comprising: a main body portion having, an extended thin portion therein which is configured to fit a shaft of the balancing test machine and an extended insert portion which is configured to fit an opening in the rotor; a plurality of connection elements disposed in holes in the main body portion; and a ring disposed over the extended insert portion between the main body portion and an end of the rotor, wherein the plurality of connection elements operate to push the ring outwardly toward an end of the extended insert portion to create a friction fit between the coupling and the rotor to transmit torque from the balancing test machine through the coupling and to the rotor; wherein the coupling rigid.