Patent ID: 11956379
Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A retractable screen structure, comprising:
a holder assembly comprising a holder;
a rotation shaft assembly comprising:
a rotation shaft support coupled to a side of the holder and having a shaft hole,
a rotation shaft passing through the shaft hole,
a rotation wheel fitted over the rotation shaft; and

a flexible display screen wound around the rotation wheel, and driving the rotation wheel to rotate when the flexible display screen is expanded or retracted,
wherein:
the rotation shaft support comprises a plurality of sub-supports spaced apart from each other on the holder;
the rotation shaft assembly further comprises a plurality of first bearings fitted over the rotation shaft, and each first bearing comprises a bearing inner ring and a bearing outer ring rotatably coupled to the bearing inner ring;
the rotation shaft assembly further comprises a plurality of bearing spacers fitted over the rotation shaft, one bearing spacer being arranged on a side of each first bearing; and
each bearing spacer has a first end abutting against the bearing inner ring and a second end abutting against an adjacent sub-support.