EP 4050185 A4 20221221 - DOOR HINGE HAVING TWO-SECTION FORCE
Title (en)
DOOR HINGE HAVING TWO-SECTION FORCE
Title (de)
TÜRSCHARNIER MIT ZWEITEILIGER KRAFT
Title (fr)
CHARNIÈRE DE PORTE DOTÉE D'UNE FORCE EN DEUX SECTIONS
Publication
Application
Priority
- CN 201921982649 U 20191118
- CN 2020128558 W 20201113
Abstract (en)
[origin: EP4050185A1] A door hinge having a two-section force, comprising a first rotating shaft (3), a second rotating shaft (4), a crank (5), a rocker (6), a housing (10), a hinge cup (1), a U-shaped shaft (2), a double-leg torsion spring (7), a damper (8), and a guide base (9). Protrusions (52) and arc-shaped abutting positions (51) are provided on both front and back sides of a right end of the crank (5), an arc center of each of the arc-shaped abutting position (51) is coaxial with the axis of the first rotating shaft (3); two legs (71) of the double-leg torsion spring (7) respectively abut on the corresponding arc-shaped abutting positions (51) or abut on right ends of the arc-shaped abutting position (51); the damper (8) is mounted in the housing (10); recesses (91) are provided on both front and back sides of the guide base (9); the guide base (9) is located in the housing (10) and can relatively move; the protrusions (52) are located in the corresponding recesses (91); and an end portion of a piston rod (84) of the damper (8) is provided on the guide base (9).
IPC 8 full level
E05D 3/06 (2006.01); E05D 3/14 (2006.01); E05D 11/00 (2006.01); E05F 1/12 (2006.01); E05F 5/00 (2017.01); E05F 5/02 (2006.01); E05F 5/10 (2006.01)
CPC (source: EP KR)
E05D 3/06 (2013.01 - KR); E05D 3/142 (2013.01 - EP); E05D 11/00 (2013.01 - KR); E05D 11/1021 (2013.01 - EP); E05F 1/12 (2013.01 - KR); E05F 1/1215 (2013.01 - EP); E05F 5/006 (2013.01 - EP); E05F 5/027 (2013.01 - EP); E05F 5/10 (2013.01 - KR); E05Y 2201/212 (2013.01 - KR); E05Y 2201/24 (2013.01 - EP); E05Y 2201/256 (2013.01 - EP); E05Y 2201/264 (2013.01 - EP); E05Y 2201/412 (2013.01 - EP); E05Y 2201/484 (2013.01 - EP); E05Y 2201/638 (2013.01 - EP); E05Y 2900/20 (2013.01 - EP)
Citation (search report)
- [I] DE 202013100261 U1 20130321 - CHENG FENG [CN]
- [I] CN 207660429 U 20180727 - WU QIUHUA
- [A] CN 102168511 A 20110831 - ZHIXIANG WU, et al
- [A] US 2003229965 A1 20031218 - WANG YU-JEN [TW]
- [A] DE 2408057 A1 19750828 - LAUTENSCHLAEGER KG KARL [DE]
- See also references of WO 2021098592A1
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
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4050185 A1 20220831; EP 4050185 A4 20221221; CN 211173603 U 20200804; KR 102624051 B1 20240201; KR 20220082052 A 20220616; WO 2021098592 A1 20210527
DOCDB simple family (application)
EP 20889153 A 20201113; CN 201921982649 U 20191118; CN 2020128558 W 20201113; KR 20227016302 A 20201113