Telescoping mast having variable height locking and a chain erection mechanism with a cable management system
US7621078B2 · kind B2 · utility
23Cited by
31References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2006 |
| Grant date | Nov 24, 2009 |
| Priority date | — |
| Expiry date | Feb 18, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S254/06
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A telescoping mast for supporting and raising a load may be telescopically extended by a zipper-action chain extension system further comprising a system for the management of one or more cables, such as power or communication cables traversing the length of the mast, and is capable of being locked into a rigid formation along a range of telescopic lengths.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.