Patent ID: 11927323
Assignee: APUTURE IMAGING INDUSTRIES CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F | IPC F

Claim 1:
2. The zoom device as claimed in claim 1, wherein the first gear assembly comprises an annular first gear, and the first gear is an internal gear;
the second gear assembly comprises a second gear and a first transmission rod rotatably connected with second gear, an end of the first transmission rod is fixedly connected with the first lens assembly, and the second gear meshes with the first gear;
the third gear assembly comprises a third gear and a second transmission rod fixedly connected with the third gear; the connecting frame comprises a transmission part, the second transmission rod is rotatably connected with the transmission part; the third gear meshes with the first gear; and
the second gear and the third gear are disposed at interval along a circumferential direction of the first gear and are both external gears.