Elevating by shape memory induction
US4018308A · kind A · utility
3Cited by
3References
3Claims
0Family size
Inventor
Key dates
| Filing date | Oct 23, 1975 |
| Grant date | Apr 19, 1977 |
| Priority date | — |
| Expiry date | Oct 23, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B11/0492
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Elevating is carried out in a noiseless, relatively frictionless manner with efficient utilization of energy by hanging an elevator from an elongated metal cable of shape memory material which elongates under gravity loading and, upon application of heat thereto, contracts in length to raise a load suspended by the cable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.