Elevator mechanism and related components
US8500567B2 · kind B2 · utility
0Cited by
33References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 2010 |
| Grant date | Aug 6, 2013 |
| Priority date | — |
| Expiry date | May 25, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63D5/08
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An elevator assembly having a looped track assembly and a chain assembly having rollers which roll on the looped track assembly. The chain assembly includes spaced apart pin holders extending from the chain. A sprocket drive assembly engages the chain assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.