Conveyer system for arm that is vertically driven and guided at rigid or rotating column at e.g. outer lift, has gear motor provided at lower- or upper ends of column and flanged on by gear box, where gear motor drives gear wheels
DE10032745A1
Stair lift for the disabled
DE10011627C1
Drive device for stair lifts
AU5758996A
Reciprocating piston engine, especially internal combustion reciprocating piston engine
EP0442429A2
Safety catch for a carriage guided along stair rail
