Ratcheted lift mechanism
US8033529B2 · kind B2 · utility
11Cited by
18References
20Claims
0Family size
Inventors
Key dates
| Filing date | May 11, 2009 |
| Grant date | Oct 11, 2011 |
| Priority date | — |
| Expiry date | May 11, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F7/02
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention is related generally to hoists, and more particularly to a hoist system for safely raising, storing, and lowering loads.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.