Patent ID: 9511979
Filing Date: 2016-12-06
CPC Classification: B66B

Claim Text:
1. An underslung elevator comprising: a cage; a car frame lower beam that is fixed directly to a lower surface of a car floor of said cage, and that supports said cage; a suspending sheave assembly that is disposed on a lower portion of said car floor, said suspending sheave assembly including: rubber vibration isolators that are disposed between said car floor and said suspending sheave assembly, or between said car frame lower beam and said suspending sheave assembly, wherein: said pair of suspending sheaves are supported on said pair of suspending sheave beams such that portions thereof protrude upward beyond said pair of suspending sheave beams; and said rubber vibration isolators are disposed so as to be positioned vertically above shafts of said suspending sheaves when viewed from an axial direction of each of said pair of suspending sheaves, and so as to be positioned on opposite sides of each of said pair of suspending sheaves when viewed from vertically above; and wherein said car floor comprises: a floor plate on which a load is placed; a floor beam that is mounted to a lower surface of said floor plate so as to reinforce against flexure of said floor plate; and floor frame side beams that are mounted to lower surfaces of two side portions of said floor plate in a direction of frontage, and to which said car frame lower beam is fixed; suspending sheave housing portions are formed by cutting away a portion of lower portion sides of said floor frame side beams; and said suspending sheave assembly is disposed on a lower portion of said floor frame side beam so as to house inside said suspending sheave housing portions said portions of said pair of suspending sheaves that protrude upward beyond said pair of suspending sheave beams.