A driving force transmission device (12) includes: a clutch unit (100) that connects and disconnects input (104) and output (26) shafts to and from each other; an annular electromagnet disposed so that it can rotate relative to a shaft body portion included in the input shaft; a rotor that faces one side in the axial direction of the electromagnet; an armature that faces one side in the axial direction of the rotor, that is disposed so that it can move in the axial direction, and that moves in the axial direction to engage and disengage the clutch unit; an internally threaded portion (48) that is formed on the inner periphery of the rotor and engages with an externally threaded portion formed on the outer periphery of the shaft body portion; and a second elastic member that elastically presses the rotor screw-fitted on the outer periphery of the shaft body portion toward the electromagnet.
DRIVING FORCE TRANSMISSION DEVICE
VORRICHTUNG ZUR ÜBERTRAGUNG EINER ANTRIEBSKRAFT
DISPOSITIF DE TRANSMISSION DE FORCE DE CONDUITE
2017-10-25
Patent
Electronic Resource
English
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