(19)
(11) EP 3 789 289 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
22.03.2023 Bulletin 2023/12

(45) Mention of the grant of the patent:
15.02.2023 Bulletin 2023/07

(21) Application number: 20185219.1

(22) Date of filing: 10.07.2020
(51) International Patent Classification (IPC): 
B64C 9/16(2006.01)
B64C 13/34(2006.01)
 B64C 13/28(2006.01)
B64C 13/32(2006.01)
(52) Cooperative Patent Classification (CPC):
B64C 9/16; B64C 13/32

(54)

DOUBLE OVER CENTER CRANKSHAFT FLAP MECHANISM

DOPPELTER KURBELWELLENVERKNIEUNGSMECHANISMUS FÜR FLAP

MÉCANISME À VILEBREQUIN D'ARC BOUTEMENT DOUBLE POUR VOLET

(84) Designated Contracting States:
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

(30) Priority: 04.09.2019 US 201916560773

(43) Date of publication of application:
10.03.2021 Bulletin 2021/10

(73) Proprietor: The Boeing Company
Arlington, VA 22202 (US)

(72) Inventors:
  • TSAI, Kevin R.
    Chicago, IL 60606-2016 (US)
  • GRUNER, Bryan J.
    Chicago, IL 60606-2016 (US)

(74) Representative: Boult Wade Tennant LLP 
Salisbury Square House 8 Salisbury Square
London EC4Y 8AP
London EC4Y 8AP (GB)


(56) References cited: : 
EP-A1- 2 808 250
EP-A2- 2 572 978
EP-B1- 2 572 978
US-A- 3 827 658
 EP-A2- 0 937 641
EP-B1- 0 937 641
FR-A1- 2 884 222
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).