EP 0235554 B1 19900404 - STAIRLIFT
Title (en)
STAIRLIFT
Publication
Application
Priority
DE 3602770 A 19860130
Abstract (en)
[origin: US4756387A] A staircase lift includes upper and lower support girders fixedly disposed along stairs, vertical rods disposed between the support girders, inclined support rods fixed on the vertical rods, a load receiver in the form of a platform or a seat with a back panel, the load receiver being movably supporting on the upper and lower support girders, a flat drive housing disposed on the back panel of the load receiver, and a motor-driven drive disposed in the drive housing, the drive including bolts having ends supported in endless grooves formed in the drive housing, a closed endless circle of guide sleeves supported on the bolts, a pair of gear wheels driving the bolts, and a plurality of support rollers equidistantly disposed in the circle of guide sleeves, extending from the drive housing and cooperating with the bolts.
IPC 1-7
IPC 8 full level
CPC (source: EP US)
B66B 9/02 (2013.01 - EP US); B66B 9/0815 (2013.01 - EP US)
Designated contracting state (EPC)
AT NL SE
DOCDB simple family (publication)
US 4756387 A 19880712; AT E51600 T1 19900415; CA 1275965 C 19901106; DE 3602770 A1 19870813; DE 3602770 C2 19871112; EP 0235554 A2 19870909; EP 0235554 A3 19881130; EP 0235554 B1 19900404
DOCDB simple family (application)
US 927987 A 19870130; AT 87101008 T 19870124; CA 528444 A 19870129; DE 3602770 A 19860130; EP 87101008 A 19870124