EP 0189228 A1 19860730 - Door spring.
Title (en)
Door spring.
Title (de)
Türfeder.
Title (fr)
Ressort pour portes.
Publication
Application
Priority
NL 8500114 A 19850117
Abstract (en)
Door spring, comprising at least three rotating pulleys (10, 12, 13) in an oblong housing (25) being movable jointly against spring force (16) in the longitudinal direction of the housing, and with a pull cord (4) guided over the pulleys (10, 12, 13) and taken out of the housing, the two jointly movable pulleys (12, 13) being coaxial and freely rotatable, the pin of the third pulley (10) being fixed in the housing (25), and the cord (4), starting from a fastening point (18) near the third pulley (10), being conveyed first over the first pulley (13), then over the third pulley (10), and subsequently over the second pulley (12), and taken out of the housing near the third pulley (10).
IPC 1-7
IPC 8 full level
E05F 1/10 (2006.01)
CPC (source: EP)
E05F 1/1066 (2013.01); E05Y 2900/132 (2013.01)
Citation (search report)
- [YD] US 1880870 A 19321004 - GUST DEMO
- [Y] US 4003102 A 19770118 - HAWKS NATHANIEL L, et al
- [A] DE 187430 C
- [A] BE 415427 A
- [A] US 2833270 A 19580506 - BROWN JOHN H, et al
- [A] FR 2504182 A1 19821022 - FAUVEL GILBERT [FR]
Designated contracting state (EPC)
BE DE FR GB IT NL SE
DOCDB simple family (publication)
EP 0189228 A1 19860730; EP 0189228 B1 19881228; DE 3661562 D1 19890202; FI 860208 A0 19860116; FI 860208 A 19860718; NL 8500114 A 19860818
DOCDB simple family (application)
EP 86200061 A 19860114; DE 3661562 T 19860114; FI 860208 A 19860116; NL 8500114 A 19850117