| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a motor securing bonding strength of a driving magnet to a rotary shaft even if the driving magnet becomes thin and suppressing occurrence of a break of the driving magnet. <P>SOLUTION: The motor includes: a rotor 4 having a rotary shaft 2 and a driving magnet 3 fixed to an outer peripheral face of the rotary shaft 2; and a stator having a driving coil which is cylindrically wound and is arranged on an outer peripheral side of the driving magnet 3. An insertion hole 3a into which the rotary shaft 2 is inserted is formed in the driving magnet 3 and a recess 3b whose inner diameter is larger than that of the insertion hole 3a and in which adhesive 29 for fixing the driving magnet 3 to the outer peripheral face of the rotary shaft 2 is accumulated is also formed. The recess 3b is formed only at one end face 3d of the driving magnet 3 in a shaft direction of the rotary shaft 2. <P>COPYRIGHT: (C)2012,JPO&INPIT |
