EP 0310884 B1 19920422 - FOLDING LADDER
Title (en)
FOLDING LADDER
Publication
Application
Priority
DE 3733702 A 19871006
Abstract (en)
[origin: US4842099A] A foldable ladder has collapsible crosspieces having a 90-degree pivot in the middle, the crosspieces being mounted to opposite side rails likewise having 90-degree pivots. Push rails are provided to the right and left of the crosspiece inside each sidepiece so as to move the ladder between folded and depolyed positions.
IPC 1-7
IPC 8 full level
E06C 1/383 (2006.01)
CPC (source: EP KR US)
E06C 1/38 (2013.01 - KR); E06C 1/383 (2013.01 - KR); E06C 1/3835 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0310884 A1 19890412; EP 0310884 B1 19920422; AT E75293 T1 19920515; AU 2340688 A 19890406; AU 615480 B2 19911003; CA 1296688 C 19920303; DE 3733702 A1 19890503; DE 3733702 C2 19901031; DE 3870386 D1 19920527; ES 2032918 T3 19930301; JP H01239287 A 19890925; KR 890006949 A 19890617; US 4842099 A 19890627
DOCDB simple family (application)
EP 88115651 A 19880923; AT 88115651 T 19880923; AU 2340688 A 19881004; CA 579374 A 19881005; DE 3733702 A 19871006; DE 3870386 T 19880923; ES 88115651 T 19880923; JP 25102288 A 19881006; KR 880013050 A 19881006; US 13162887 A 19871210