| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent assemblage of a drive unit in a state where a gear is erroneously combined by preventing erroneous installation of the gear. <P>SOLUTION: This drive unit is furnished with a motor M to generate driving force and bearing members J1, J2 to fix and support a plurality of studs 37-42 on which gears G1-G5 are rotatably supported, a plurality of the studs 37-42 are formed so that their outer diameters are all different from each other, a plurality of the gears G1-G5 are supported on a plurality of the studs 37-42 and the driving force of the motor M is transmitted to it, and an inner diameter of each of a plurality of the gears G1-G5 is formed in correspondence with the outer diameter of each of the studs 37-42 to be supported. <P>COPYRIGHT: (C)2004,JPO |
