Elevator tension member
US9550653B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2011 |
| Grant date | Jan 24, 2017 |
| Priority date | — |
| Expiry date | Oct 18, 2031 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD07B2501/2007
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Elevator tension members are disclosed. The disclosed tension member longitudinally extends along a longitudinal axis and includes a plurality of fibers formed into one or more primary strands or cords extending parallel to the longitudinal axis and a plurality of fibers formed into one or more secondary strands or cords extending parallel to the longitudinal axis and through less than the full length of the belt, and a jacket retaining the primary and secondary strands or cords. The secondary strands or cords have a tensile modulus greater than a tensile modulus of the jacket and less than a tensile modulus of the primary strands or cords. Methods of making the tension member are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.