ELECTROMAGNETIC CLUTCH AND OPENING AND CLOSING BODY DRIVE DEVICE FOR VEHICLE
An electromagnetic clutch includes: a rotation shaft that transmits a drive torque; a first rotation body that rotates integrally with the rotation shaft by being supported on the rotation shaft in a non-relatively rotatable manner; a second rotation body that is supported on the rotation shaft in a relatively rotatable manner in a position facing the first rotation body in an axial direction; an electromagnet that brings the first and second rotation bodies into pressure contact to connect the first and second rotation bodies in a manner capable of transmitting a torque by moving one of the first and second rotation bodies as an armature in an axial direction based on an electromagnetic attraction force generated by energization; and a gear portion that is provided on an outer periphery of at least one of the first rotation body or the second rotation body.
1 . An electromagnetic clutch comprising:
a rotation shaft that transmits a drive torque;
a first rotation body that rotates integrally with the rotation shaft by being supported on the rotation shaft in a non-relatively rotatable manner;
a second rotation body that is supported on the rotation shaft in a relatively rotatable manner in a position facing the first rotation body in an axial direction;
an electromagnet that brings the first rotation body and the second rotation body into pressure contact to connect the first rotation body and the second rotation body in a manner capable of transmitting a torque by moving one of the first rotation body and the second rotation body as an armature in an axial direction based on an electromagnetic attraction force generated by energization; and
a gear portion that is provided on an outer periphery of at least one of the first rotation body or the second rotation body.
2 . The electromagnetic clutch according to claim 1 , wherein
the gear portion that receives the drive torque is provided on one of the first rotation body and the second rotation body.
3 . The electromagnetic clutch according to claim 1 , wherein
the gear portion that outputs the drive torque is provided on one of the first rotation body and the second rotation body.
4 . An opening and closing body drive device for a vehicle, the opening and closing body drive device comprising:
the electromagnetic clutch according to claim 1 ;
a motor that generates the drive torque;
a drive gear that meshes with the gear portion;
a rotation member that rotates integrally with the drive gear; and
a drive member that drives an opening and closing body of a vehicle based on rotation of the rotation member by being wound around the rotation member.