EP 0126681 B1 19871223 - PREFABRICATED STRAIGHT CONCRETE STAIR
Title (en)
PREFABRICATED STRAIGHT CONCRETE STAIR
Publication
Application
Priority
- FR 8308096 A 19830511
- FR 8311118 A 19830630
Abstract (en)
[origin: EP0126681A1] 1. Prefabricated straight stairway of the type comprising at least one stringer (3) supporting several identical step components (6) in an adjustable manner, the said stringer (3) being fitted, on its top part, with evenly spaced bearing units (11), each having a rounded bearing surface on which a rounded surface of corresponding form of a step component (6) rests, each component (6) comprising, in monobloc manner, a horizontal platform (7) and a vertical end wall (8) forming the riser (9), located above the said platform (7) and supporting the platform (7) of a step component (6) immediately above, characterized in that the supporting units arranged on the stringer (3) are made of transverse V-shaped slots (11) rounded at the bottom, each of which receives a rounded end footing (10), located under each platform (7), in the extension of the riser (9), and in that the underside of each platform (7) has a heel (12) having an inclined face (13) coming into contact with a sharp edge (14) of the rear top part of a riser (9) of a step component (6) immediately below.
IPC 1-7
IPC 8 full level
E04F 11/025 (2006.01)
CPC (source: EP)
E04F 11/025 (2013.01); E04F 11/1041 (2013.01); E04F 11/116 (2013.01)
Designated contracting state (EPC)
BE CH DE GB IT LI
DOCDB simple family (publication)
EP 0126681 A1 19841128; EP 0126681 B1 19871223; DE 3468246 D1 19880204; ES 288106 U 19851116; ES 288106 Y 19860616; FR 2548249 A2 19850104; FR 2548249 B2 19860321
DOCDB simple family (application)
EP 84400957 A 19840510; DE 3468246 T 19840510; ES 288106 U 19840510; FR 8311118 A 19830630