US 11,728,605 B2
Rotary electrical connection assembly
Yong Xiao, Shenzhen (CN); and Mianjia Wei, Shenzhen (CN)
Assigned to SHENZHEN FENDA TECHNOLOGY CO., LTD., Shenzhen (CN)
Filed by SHENZHEN FENDA TECHNOLOGY CO., LTD, Shenzhen (CN)
Filed on Jul. 16, 2021, as Appl. No. 17/377,418.
Claims priority of application No. 202021423025.X (CN), filed on Jul. 17, 2020.
Prior Publication US 2022/0021167 A1, Jan. 20, 2022
Int. Cl. H01R 35/00 (2006.01); H01R 13/40 (2006.01); A45D 1/04 (2006.01)
CPC H01R 35/00 (2013.01) [A45D 1/04 (2013.01); H01R 13/40 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A rotary electrical connection assembly, comprising: a fixed part disposed fixedly and a rotating part disposed rotatably relative to the fixed part, at least two rotary contacts being disposed on the rotating part, at least two fixed contacts being disposed on the fixed part, the at least two rotary contacts being located at different radial positions corresponding to the same axial position, and/or the at least two fixed contacts being located at different radial positions corresponding to the same axial position; and the fixed contacts and the rotary contacts being electrically connected
wherein the rotating part is provided with an even number of the rotary contacts, and the fixed part is provided with an even number of the fixed contacts; and
wherein the rotary contacts comprise at least two rotary closed contacts (1) and at least two rotary non-closed contacts (2), and the fixed contacts comprise at least two fixed closed contacts (3) and at least two fixed non-closed contacts (4); and the rotary closed contacts (1) and the fixed non-closed contacts (4) are electrically connected in a correspondingly sleeved manner, and the rotary non-closed contacts (2) and the fixed closed contacts (3) are electrically connected in a correspondingly sleeved manner.