Patent ID: 7882936
Filing Date: 2011-02-08
Classification: B66B

Abstract:
1. A sheave support apparatus for an elevator, comprising: a car frame supporting a car, the car frame having a beam extending in a horizontal direction; and a sheave support member being attached to the beam in a state of crossing the beam of the car frame and extending in a horizontal direction, the sheave support member including a first support beam and a second support beam which are fixed to the beam of the car frame and vertically hold therebetween the beam of the car frame; and a pair of sheaves supported between respective end portions of the first support beam and respective end portions of the second support beam and around which cables are partly wound, wherein the sheaves are rotatably supported between a pair of brackets through support shafts, and the end portions of the first support beam and the end portions of the second support beams are fixed to the brackets, and wherein the first support beam and the second support beam each include a pair of beam forming members which are arranged in parallel with each other with the sheaves interposed therebetween, the beam forming members of the first support beam are fixed to the brackets below rotational centers of the sheaves and below the beam of the car frame, and the beam forming members of the second support beam are fixed to the brackets above the rotational centers of the sheaves and above the beam of the car frame.