EP 3821102 A1 20210519 - DRIVE SYSTEM DRIVING A SCREEN, AND APPARATUS COMPRISING SUCH A SYSTEM
Title (en)
DRIVE SYSTEM DRIVING A SCREEN, AND APPARATUS COMPRISING SUCH A SYSTEM
Title (de)
ANSTEUERUNGSSYSTEM ZUR ANSTEUERUNG EINES BILDSCHIRMS UND VORRICHTUNG MIT SOLCH EINEM SYSTEM
Title (fr)
SYSTÈME D'ENTRAÎNEMENT D'UN ÉCRAN ET INSTALLATION COMPRENANT UN TEL SYSTÈME
Publication
Application
Priority
- FR 1856377 A 20180711
- EP 2019068502 W 20190710
Abstract (en)
[origin: WO2020011836A1] Disclosed is a drive system (1) driving a screen (6), comprising an actuator (3) for rotationally driving a winding shaft (5) associated with the screen (6), and a compensation spring (7). The compensation spring (7) comprises a first series of turns (70) having a first spacing (E70) and at least one second series of turns (72) having a second spacing (E72), the value of which is greater than the value of the first spacing (E70).
IPC 8 full level
CPC (source: EP US)
E06B 9/42 (2013.01 - US); E06B 9/60 (2013.01 - EP US); E06B 9/72 (2013.01 - US); E06B 9/72 (2013.01 - EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2020011836 A1 20200116; EP 3821102 A1 20210519; FR 3083816 A1 20200117; FR 3083816 B1 20201009; US 11719041 B2 20230808; US 2021140233 A1 20210513
DOCDB simple family (application)
EP 2019068502 W 20190710; EP 19736731 A 20190710; FR 1856377 A 20180711; US 201917259068 A 20190710