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US 9,896,307 B2Granted
Elevator rope and elevator apparatus that uses same
AssigneeMitsubishi Electric Corporation
InventorAtsushi Mitsui
Life of this patent
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Abstract
In an elevator rope, an inner layer rope includes: a plurality of steel inner layer strands; and a resin inner layer rope coating body that is coated onto an outer circumference. A plurality of outer layer strands are twisted together on an outer circumference of the inner layer rope. The outer layer strands each include: an outer layer strand fiber core; and a plurality of steel wires that are twisted together on an outer circumference of the outer layer strand fiber core.
Claims10
An elevator rope comprising:
- an inner layer rope that includes:
- an inner layer roe fiber core;
- a plurality of steel inner layer strands twisted together onto an outer circumference of the inner layer rope fiber core;
- and
- a resin inner layer rope coating body that is coated onto an outer circumference of the inner layer rope fiber core and the steel inner layer strands;
- and
- a plurality of outer layer strands that are twisted together on an outer circumference of the inner layer rope and are separated from the inner layer rope fiber core and inner layer strands of the inner layer rove by the resin inner layer rope coating body,
- wherein the outer layer strands each include:
- an outer layer strand fiber core;
- and
- a plurality of steel wires that are twisted together on an outer circumference of the outer layer strand fiber core,
- wherein a rope grease is impregnated into the outer layer strand fiber core, and wherein a rope grease is impregnated into the inner layer rope fiber core.
9 more elements
An elevator apparatus comprising:
- a hoisting machine that includes a sheave;
- an elevator rope that is wound onto the sheave;
- and
- a car that is suspended by the elevator rope, and that is raised and lowered by the hoisting machine,
- wherein:
- the elevator rope comprises:
- an inner layer rope that includes:
- an inner layer rope fiber core;
- a plurality of steel inner layer strands twisted together onto an outer circumference of the inner layer rope fiber core;
- and
- a resin inner layer rope coating body that is coated onto an outer circumference of the inner layer rope fiber core and the inner layer rope;
- and
- a plurality of outer layer strands that are twisted together on an outer circumference of the inner layer rope and are separated from the inner layer rope fiber core and inner layer strands of the inner layer rope by the resin inner layer rope coating body;
- and
- the outer layer strands each include:
- an outer layer strand fiber core;
- and
- a plurality of steel wires that are twisted together on an outer circumference of the outer layer strand fiber core,
- wherein a rope grease is impregnated into the outer layer strand fiber core, and wherein a rope grease is impregnated into the inner layer rope fiber core.
16 more elements
Dependencies are inferred from the claim text.