EP 0040606 B1 19830608 - ELEMENT FOR THE CONSTRUCTION OF A STAIR CASE
Title (en)
ELEMENT FOR THE CONSTRUCTION OF A STAIR CASE
Publication
Application
Priority
CH 1055579 A 19791128
Abstract (en)
[origin: WO8101584A1] The construction element (1a) has a bridge-like portion (2) of which a first (5) and a second (7) pillars are provided on the lower part thereof with a plurality of steps (6). The second pillar (7) is connected by an inclined part (8) to a channel-like portion (3), provided with an outer edge (9). During construction of the staircase, a second element (1b) is set in place with one of the steps (6) of the first pillar on one arris (10) of the stair (4), as well as with a step corresponding to the second pillar on the arris (11) on the top outer edge (9) of the first element (1a). The height of the stair may be varied up to a double ratio according to the steps (6) in contact with the arrises.
IPC 1-7
IPC 8 full level
E04F 11/02 (2006.01); E04F 11/00 (2006.01); E04F 11/116 (2006.01)
IPC 8 main group level
E04F (2006.01)
CPC (source: EP US)
E04F 11/1041 (2013.01 - EP US); E04F 11/116 (2013.01 - EP US)
Designated contracting state (EPC)
AT DE FR GB NL SE
DOCDB simple family (publication)
WO 8101584 A1 19810611; BR 8008936 A 19811020; CA 1156021 A 19831101; CH 642707 A5 19840430; DE 3063700 D1 19830714; EP 0040606 A1 19811202; EP 0040606 B1 19830608; JP S56501615 A 19811105; JP S6043508 B2 19850928; NO 150928 B 19841001; NO 150928 C 19850116; NO 812520 L 19810722; US 4516368 A 19850514
DOCDB simple family (application)
CH 8000134 W 19801110; BR 8008936 A 19801110; CA 364533 A 19801113; CH 1055579 A 19791128; DE 3063700 T 19801110; EP 80902046 A 19801110; JP 50255680 A 19801110; NO 812520 A 19810722; US 28773781 A 19810803