EP 1056677 A1 20001206 - A STAIR LIFT AND A SUPPORTING UNIT FOR A STAIR LIFT
Title (en)
A STAIR LIFT AND A SUPPORTING UNIT FOR A STAIR LIFT
Title (de)
TREPPENLIFT UND BEFÖRDERUNGSEINHEIT DAFÜR
Title (fr)
MONTE-ESCALIER ET UNITE PORTEUSE POUR MONTE-ESCALIER
Publication
Application
Priority
- NL 9800599 W 19981019
- NL 1008427 A 19980226
Abstract (en)
[origin: WO9943594A1] A stair lift comprising a supporting unit (10) and a rail system, wherein said rail system comprises a circular tube (1), on which the tread (5) of a wheel of the supporting unit (10) can roll. The wheel (2) has a radially extending centre plane, in which plane the tread (5) diameter is smaller than the tread diameter at some distance from said centre plane. The tread (5) comprises a concave, substantially arced portion, seen in longitudinal sectional view through the axis of the wheel, whose radius is larger than half the outside diameter of said tube.
IPC 1-7
IPC 8 full level
CPC (source: EP)
B66B 7/046 (2013.01); B66B 9/0807 (2013.01); B66B 9/0815 (2013.01); B66B 9/0838 (2013.01); B66B 9/0846 (2013.01)
Citation (search report)
See references of WO 9943594A1
Designated contracting state (EPC)
BE DE FR GB LU NL
DOCDB simple family (publication)
WO 9943594 A1 19990902; EP 1056677 A1 20001206; NL 1008427 C2 19990830
DOCDB simple family (application)
NL 9800599 W 19981019; EP 98951813 A 19981019; NL 1008427 A 19980226