Invention Grant
- Patent Title: Drive system driving a screen, and apparatus comprising such a system
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Application No.: US17259109Application Date: 2019-07-10
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Publication No.: US11230884B2Publication Date: 2022-01-25
- Inventor: Adrien Brondex
- Applicant: SOMFY ACTIVITES SA
- Applicant Address: FR Cluses
- Assignee: SOMFY ACTIVITES SA
- Current Assignee: SOMFY ACTIVITES SA
- Current Assignee Address: FR Cluses
- Agency: Nixon & Vanderhye
- Priority: FR1856379 20180711
- International Application: PCT/EP2019/068507 WO 20190710
- International Announcement: WO2020/011841 WO 20200116
- Main IPC: E06B9/72
- IPC: E06B9/72 ; E06B9/42 ; E06B9/60
Abstract:
Disclosed is a drive system for driving a screen, that includes an actuator designed to drive in rotation a winding tube acting on the screen, and a compensation spring which is mounted around the actuator and has several turns formed by winding a wire. The drive system includes at least one ring made of plastic material that is placed between two adjacent turns of the compensation spring, and an external radius of the ring is larger than a maximum external radius of the compensation spring.
Public/Granted literature
- US20210246723A1 DRIVE SYSTEM DRIVING A SCREEN, AND APPARATUS COMPRISING SUCH A SYSTEM Public/Granted day:2021-08-12
Information query
IPC分类:
