Patent ID: 8585537

Claim:
A driving device comprising: a planetary gear deceleration mechanism in a transmission path that transmits driving force from a driving motor to a driven member, wherein the deceleration mechanism includes a first support unit and a second support unit into which a housing that constitutes a mechanism main body is divided, the second support unit is configured to be insertable to and removable from the first support unit, the first support unit includes a carrier of at least one stage and a pinion gear supported thereby, and is provided with an output unit in a carrier of a final stage, the second support unit includes an output shaft that is detachable from the output unit and a supporting unit for the output shaft, the output shaft in the second support unit joins with the output unit of the carrier in the first support unit simultaneously when the second support unit is inserted into the first support unit, and the output shaft in the second support unit detaches itself from the output unit in the first support unit simultaneously when the second support unit is removed from the first support unit.