| 摘要 |
It is conventional to use an electric motor for each device requiring such a drive even although only one such device may be used at one time, because it is inconvenient and time consuming to disconnect the motor and re-connect same to another device. The present invention enables a single electric motor to be used on a plurality of devices and is easily changed from one to another. The device consists of a base plate secured in the correct position on each of the devices. The single motor is mounted on a support plate having a pivot shaft at the rear thereof easily attached and detached to pivotal action, to one side of any of the base plates and having a compression spring reacting between the front of the support plate and the device to urge the support plate and the motor upwardly to supply sufficient tension to a drive belt operatively extending between the motor and the device upon which the motor is detachably secured.
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