| 摘要 |
PROBLEM TO BE SOLVED: To drive a brake to an output shaft side in predetermined timing without depending on power.SOLUTION: A power transmission device comprises: an input side clutch member which is connected with an input shaft freely rotatable around a shaft and movable in a shaft direction of the input shaft; a driving mechanism for moving the input side clutch member in the shaft direction by rotation of the input shaft; an output side clutch member which is connected with an output shaft freely rotatable around a shaft and movable in a shaft direction of the output shaft; and a brake mechanism operating by being interlocked with transfer of the output side clutch member, and for rotating or stopping the output shaft, in which the input side clutch member and the output side clutch member are provided to allow friction engagement or release of friction engagement.SELECTED DRAWING: Figure 1 |
