Patent ID: 11933398
Assignee: UNIPRES CORPORATION
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  B  Y | IPC B  F

Claim 13:
14. The two-speed transmission apparatus for an electric vehicle according to claim 13,
wherein ends of said thrust transmission members are pivotally mounted on said housing in respective said actuators,
wherein said thrust transmission member is constituted as a swing arm which is loosely fitted into an inner screw member at a diameter conflict position at another end across said first multi-plate friction clutch for said first set actuator and said second multi-plate friction clutch for said second set actuator,
wherein said clutch pressure member pivotally mounted on said swing arm at said diameter conflict position, and
wherein said forward and backward rotation of said swing arm due to said axial back and forth movement of said inner screw member fastens said first multi-plate friction clutch for said first set actuator and fastens said second multi-plate friction clutch for said second set actuator.