EP 0937840 A3 19991013 - Spiral staircase
Title (en)
Spiral staircase
Title (de)
Wendeltreppe
Title (fr)
Escalier en spirale
Publication
Application
Priority
DE 29803014 U 19980220
Abstract (en)
[origin: EP0937840A2] The spiral staircase has a central and round pillar (8) to support the mountings for the separate steps (6). The step mountings have a height adjustment, to alter the height between the steps. The step mounting (1) holds each step, firmly bolted to the central pillar through prepared holes (8.1) in the pillar.
IPC 1-7
IPC 8 full level
E04F 11/032 (2006.01); E04F 11/18 (2006.01)
CPC (source: EP)
E04F 11/032 (2013.01)
Citation (search report)
- [XAY] BE 883027 A 19801028 - JACOB FERNANDE
- [YA] FR 2712010 A1 19950512 - PACEMETAL [FR]
- [XAY] DE 4442029 A1 19960530 - GLOCKNER DIETER [DE]
- [XAY] FR 2316409 A1 19770128 - SERRURERIE CONST METALL MECA E [FR]
- [YA] DE 3126665 A1 19830127 - LINKE JOHANNES
- [YA] BE 709186 A 19680710
- [XA] US 3513547 A 19700526 - SUCKNO ABRAHAM
- [XA] US 5515657 A 19960514 - CHOU JOHNSON [TW]
- [XA] DE 3909181 A1 19900927 - BAUMANN VERWERTUNGS GMBH [DE]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
DE 29803014 U1 19990325; EP 0937840 A2 19990825; EP 0937840 A3 19991013
DOCDB simple family (application)
DE 29803014 U 19980220; EP 99103181 A 19990218