专利名称：Elevator and traction sheave of an elevator 发明人：ESKO AULANKO,JORMA
MUSTALAHTI,PEKKA RANTANEN,SIMO
MAKIMATTILA
申请号：AU1717802
申请日：20011207
公开号：AU1717802A
公开日：
20020618
专利内容由知识产权出版社提供
摘要：A counterweight and an elevator car are suspended on a set of hoisting ropes, the hoisting ropes being steel wire ropes or having a load-bearing part twisted from steel wires. The elevator comprises one or more rope pulleys provided with rope grooves, one of said pulleys being a traction sheave driven by a drive machine and moving the set of hoisting ropes. At least one of the rope pulleys is provided with a coating bonded to the rope pulley and containing the rope grooves, said coating having a thickness that, at the bottom of the rope groove, is substantially less than half the thickness of the rope running in the rope groove and a hardness less than about 100 shoreA and greater than about 60 shoreA. In a preferred solution, the traction sheave is a rope pulley like this.
申请人：KONE CORPORATION
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>pulleys

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