| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a driving device capable of switching transmission paths of driving force and simplifying a mechanism using one motor as a driving source. <P>SOLUTION: This driving device 20 has the switching mechanism for driving a plurality of rollers individually by one motor 21, uses a cam gear 30 and planetary levers 24, 28 to control switching of driving force, and is provided with a cam change-over lever 33 and a cam change-over spring 35 for restoring it additionally to dispense with a cam sensor for detecting a rotation position of the cam gear 30. A cam spring 31 for preventing a rotation position of the cam gear 30 from moving by vibration and other disturbance after the cam change-over lever 33 is removed from the cam gear 30 can be utilized in rotation force of the cam gear 30. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
