| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a drive unit for transmitting a driving force outputted from a drive means 20a to a driven means 21b via driving force transmission means (20b, 20c, 20d) and driving the driven means 21b, and preventing damages or breakage when at least one of the drive means, the driving force transmission means, and the driven means is in an abnormal condition such as malfunction. <P>SOLUTION: Self-sensitive type driving force breaking means 30 (30a, 30b, 30c) are installed between the drive means 20a and the driven means 21b for breaking the connection capable of transmitting the driving force between the drive means 20a and the driven means 21b when rotation of the drive means 20a becomes a high rotation number more than a predetermined value, and when a high torque is loaded to the drive means 20a. <P>COPYRIGHT: (C)2004,JPO |
