Patent ID: 11950382
Assignee: DELTA ELECTRONICS, INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 2:
3. The power supply according to claim 2, wherein the contacting ring comprises a first contacting side, a second contacting side, a third contacting side and a fourth contacting side, wherein the first contacting side and the second contacting side are opposite to each other, a first surface of the first contacting side faces to the exterior of the accommodation space, a second surface of the first contacting side is contacted with a surface of the extension part, the third contacting side and the fourth contacting side are opposite to each other, the third contacting side and the fourth contacting side are located between the first contacting side and the second contacting side, a first surface of the third contacting side faces to the exterior of the accommodation space, a second surface of the third contacting side is contacted with one lateral edge of the third side wall, a first surface of the fourth contacting side faces to the exterior of the accommodation space, and a second surface of the fourth contacting side is contacted with one lateral edge of the fourth side wall.