Patent ID: 7178636

Claim:
An elevator system comprising: a hoisting machine disposed within a hoistway between a wall of the hoistway and a car moving within the hoistway, the hoisting machine including a driven sheave rotating about an axis and around which a main cable passes for moving the car; fixing members located in the hoistway; a mount member attached to the fixing members; and at least two vibration prevention members disposed in a plane transverse to the axis of the driven sheave and on opposite sides of the axis of the driven sheave, at least a first of the vibration prevention members being located at an upper side of the driven sheave above the axis of the driven sheave in the hoistway, and at least a second of the vibration prevention members being located at a lower side of the driven sheave, below the axis of the driven sheave in the hoistway, at least one of the first and second vibration prevention members having an upper end connected to the mount member and a lower end bearing on the hoisting machine, mounting the hoisting machine to the mount member, at least one of the first and second vibration prevention members being compressed by an upwardly oriented load acting on the driven sheave.