Billboard advertising copy hoist system
US7025218B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2002 |
| Grant date | Apr 11, 2006 |
| Priority date | — |
| Expiry date | Jan 28, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C23/208
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A hoist system can be used to raise articles. The hoist system can include a composite pole member having a bend, a mounting structure attachable to the composite pole member and a winch assembly. The winch assembly has at least one component attached to the pole. The winch assembly is capable of winding a flexible line. The hoist system can be utilized to raise and lower vinyls, other signage equipment or tools to billboard structures. The composite pole can be a single piece unit having a bend.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.