EP 0811575 A3 19980617 - Elevator for spiral staircase
Title (en)
Elevator for spiral staircase
Title (de)
Aufzug für spirale Treppe
Title (fr)
Ascenseur pour escaliers en spirale
Publication
Application
Priority
- IT MN960019 A 19960604
- IT MN970016 A 19970520
Abstract (en)
[origin: EP0811575A2] An elevator for spiral staircase, comprising a user accommodation platform (2) which is meant to move along a helical path above the steps of said staircase (1), characterized in that it comprises a truck for supporting said platform, said truck being associated with the inside of a tubular guide which has a circular cross-section (3) and is located at the axis of the staircase (1) so that said truck can slide and rotate in contact with said guide, said carriage having means for producing its translatory motion along the axis of said tubular guide, a slider (10) being also provided which is rigidly coupled to the platform (2) and is kinematically connected to a helical guide (11) which follows the path of the spiral staircase (1). <IMAGE>
IPC 1-7
IPC 8 full level
B66B 9/08 (2006.01)
CPC (source: EP)
B66B 9/08 (2013.01)
Citation (search report)
- [A] DE 3627975 A1 19880225 - GUNTERSDORFER MAX DR [DE]
- [A] US 4306634 A 19811222 - SANGSTER GEORGE G
- [A] PATENT ABSTRACTS OF JAPAN vol. 017, no. 208 (M - 1401) 23 April 1993 (1993-04-23)
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 97830269 A 19970603