Portable hoist assembly
US6578722B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Jun 29, 2001 |
| Grant date | Jun 17, 2003 |
| Priority date | — |
| Expiry date | Jun 29, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C23/44
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention is for a portable hoist assembly that includes a base member, an upright support member and a boom. A winch and line are attached to the hoist assembly with an engagement member for lifting objects. The base member attaches to a receiving member. The receiving member may be a trailer hitch on a vehicle. The boom and base member pivot with respect to the support member to a collapsed storage position. The boom and base member extend substantially parallel to the support member, and an end of the boom attaches to the base member. The engagement member is inserted within the base member for storage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.