| 摘要 |
A clutch for mechanically and electrically disconnecting the servo drive of a reciprocable transfer mechanism comprises a housing having bores for the acceptance of a reciprocable piston and a transfer bar, respectively, said piston having a roller and said transfer bar having a groove for the acceptance thereof, and resilient means normally biasing the roller on said piston into the groove on said transfer bar whereby movement of said housing normally effects like movement of said transfer bar, movement of said roller out of the groove in said transfer bar effecting simultaneous mechanical disconnect of said servo drive and opening of a switch to effect electrical disconnect of said servo drive.
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