Patent ID: 8556040
Filing Date: 2013-10-15
Classification: B66B,D07B,H01L

Abstract:
1. A load bearing member supporting an elevator car in an elevator system comprising: the elevator car; at least one sheave; and the load bearing member, the load bearing member comprising: a plurality of tension members for bearing weight associated with the elevator car, said plurality of tension members extending along a length; an outer cover at least partially covering said plurality of tension members; said outer cover having a first surface and a second surface, said plurality of tension members being situated between said first surface and said second surface, said first surface being configured for traction engagement on the sheave; wherein said first surface and said second surface define a cross-section transverse to said length, said cross-section having a first end portion, a middle portion, and a second end portion; wherein said middle portion has a first width between said first surface and said second surface, wherein said first width is smaller than a second width between said first surface and said second surface, said second width being at one of said first end portion and said second end portion; and wherein each of said first end portion, said middle portion and said second end portion includes at least one of said tension members, at least one of said tension members in said middle portion is spaced closer to said first surface than at least one of said tension members in one of said first end portion and said second end portion.