EP 0942144 B1 20040804 - Modular step unit for prefabricated self-supporting ladders
Title (en)
Modular step unit for prefabricated self-supporting ladders
Title (de)
Modulare Trittstufe für vorgefertigte selbsttragende Leitern
Title (fr)
Marchepied modulaire pour échelles préfabriquées autoportantes
Publication
Application
Priority
IT VI980052 A 19980312
Abstract (en)
[origin: EP0942144A2] A modular step unit for self-supporting metal ladders comprises a pair of side supporting or bearing constructions (3, 3', 3'') supporting a flat ladder step (4, 4'). Connecting means (9) connect each modular unit to an adjoining modular unit for defining a self-supporting ladder ramp (1). Each supporting construction (3, 3', 3'') comprises at least a substantially vertical inner element (5) arranged between and rigidly coupled to at least a pair of substantially horizontal outer elements (6). The inner element (5) can be coupled to at least a pair of outer elements (6) including in an adjoining modular unit (3) by a coupling device (15) the height of which can be adjusted to provide a variable height or rise ladder ramp. <IMAGE>
IPC 1-7
IPC 8 full level
E04F 11/035 (2006.01); E04F 11/09 (2006.01); E06C 1/10 (2006.01); E06C 7/08 (2006.01)
CPC (source: EP)
E04F 11/035 (2013.01); E04F 11/1041 (2013.01); E06C 1/10 (2013.01); E06C 7/08 (2013.01)
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI NL PT
DOCDB simple family (publication)
EP 0942144 A2 19990915; EP 0942144 A3 20000607; EP 0942144 B1 20040804; AT E272784 T1 20040815; DE 69919053 D1 20040909; DE 69919053 T2 20050728; ES 2226218 T3 20050316; IT VI980052 A1 19990912
DOCDB simple family (application)
EP 99104783 A 19990310; AT 99104783 T 19990310; DE 69919053 T 19990310; ES 99104783 T 19990310; IT VI980052 A 19980312