EP 0171797 B1 19880713 - OVERHEAD GARAGE DOOR
Title (en)
OVERHEAD GARAGE DOOR
Publication
Application
Priority
DE 3429920 A 19840814
Abstract (en)
[origin: EP0171797A2] 1. Overhead garage door for a garage or garage box accommodating one or two passenger cars, with a lifting linkage for the door wing which enables the latter to be held in a vertical closed position and in a generally horizontal opened position, and which comprises, on each side of the door wing, a two-armed pivoting lever rotatably supported by the door frame, at least one weight compensating stretched tension spring unit, which is, at its lower portion, attached to the door frame, being connected with the arm of force of the respective lever, and each unit consisting of at least three individual tension springs (6) which, at each of their upper and lower ends, are hooked into a single carrier (5, 7), and in which the carrier is itself connected to the arm of force (2) of the lever arm (1) and the door frame (10), respectively, characterized in that the carrier (5, 7) is in the form of a dish, and that the tension springs (6) are hooked in along a circle concentric with its centre through which the line of force passes.
IPC 1-7
IPC 8 full level
E05D 15/40 (2006.01); E05D 15/42 (2006.01); E05F 1/08 (2006.01); E05F 1/10 (2006.01); F16F 1/12 (2006.01)
CPC (source: EP)
E05D 13/1215 (2013.01); E05D 15/425 (2013.01); E05Y 2201/488 (2013.01); E05Y 2201/499 (2024.05); E05Y 2800/21 (2013.01); E05Y 2900/106 (2013.01)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0171797 A2 19860219; EP 0171797 A3 19861001; EP 0171797 B1 19880713; AT E35715 T1 19880715; DE 3429920 C1 19860123; DE 3563764 D1 19880818; ES 288660 U 19860816; ES 288660 Y 19870501
DOCDB simple family (application)
EP 85110167 A 19850813; AT 85110167 T 19850813; DE 3429920 A 19840814; DE 3563764 T 19850813; ES 288660 U 19850813