| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a small motor device, a method for driving a rotor and a method for driving a shaft member, capable of generating a high torque. <P>SOLUTION: The motor device includes: a first member; a second member so attached as to surround the first member; a transmitting member connected to the first member and equipped to bring at least a part of the inner surface of the second member into an abutting state or a separated state; and a driving portion connected to the transmitting member and bringing the transmitting member into the abutting state, to impart a rotational force to at least either the first member or the second member. <P>COPYRIGHT: (C)2011,JPO&INPIT |
