Patent ID: 7077241

Claim:
In an elevator installation with an elevator car and a counterweight suspended and driven by a plurality of flat-belt-type suspension devices arranged in parallel, at least one of the counterweight and the elevator car having a suspension-sheave system that cooperates with at least one traction sheave and the suspension devices to form a suspension system with a reeving factor of at least 2:1, and center lines of the suspension devices being arranged in parallel vertical planes that run diagonal to a main horizontal axis of at least one of the counterweight and the elevator car, the suspension-sheave system comprising: a suspension-sheave unit for each of the suspension devices, said suspension-sheave units being arranged adjacent to each other and each having at least one suspension sheave rotatably supported on an axle for engaging an associated one of the suspension devices; and a fastener for fastening said suspension-sheave units on one of the counterweight and the elevator car to orient said axles extending in a horizontal direction and to permit each said suspension-sheave unit to individually swivel about an associated vertical axis.