Modular elevator shaft assembly and method for making the same
US9850653B1 · kind B1 · utility
5Cited by
23References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 6, 2016 |
| Grant date | Dec 26, 2017 |
| Priority date | — |
| Expiry date | Jul 6, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F17/005
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An elevator shaft assembly and a method for forming the same includes a plurality of modules, each of the modules having a plurality of walls with an upper perimeter edge and a lower perimeter edge and spaced apart elevator rails. Adjacent modules are aligned with each other along mating upper and lower perimeter portions with complementary aligning members that are joined together with a fastener, the modules when joined together forming a tubular structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.