Patent ID: 11958567
Assignee: MOBILETRON ELECTRONICS CO., LTD
Field: Transport (Mechanical engineering)
Classification: CPC B  G  H | IPC B  G  H

Claim 2:
3. The coaxial mid-drive power device as claimed in claim 2, wherein
two elastic sheet assemblies that are the same as the elastic sheet assembly are additionally disposed on either the circuit board or the control circuit board having the elastic sheet assembly;
the three elastic sheet assemblies comprise the number of the plurality of elastic sheets and an arrangement of the plurality of elastic sheets the same as one another;
the three elastic sheet assemblies are arranged around the shaft axis, so that each of the plurality of conductive rails is in contact, at the same time, with the plurality of elastic sheets of the three elastic sheet assemblies that are arranged in the same sequence in the radial direction of the crank spindle.