Elevator, elevator traction sheave and sheathing for elevator elevator pulley cable slots

摘要

"LIFT, LIFT TRACTION ROLDANA AND COVER FOR A LIFT TRACTION ROLDANA CABLE". A counterweight and an elevator car are suspended from a set of lifting cables. The elevator comprises one or more cable slots with cable slots, one of said pulleys being a traction sheave driven by a drive machine and moving a set of lifting cables. At least one of the rope pulleys has against the hoisting rope a sheath bonded to the rope pulley and containing rope grooves, said coating having an elasticity which is greater at the edge portions of the rope groove than at the bottom. in the cable slot. In a preferred solution, the traction sheave is comprised of a cable pulley like this.