Heavy object lifting apparatus and method
US7243905B2 · kind B2 · utility
1Cited by
12References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 13, 2002 |
| Grant date | Jul 17, 2007 |
| Priority date | — |
| Expiry date | Apr 2, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F15/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A lifter with an adjustable wheel base comprising a lever assembly, an adjustable axle assembly, and a lifting assembly. The lifting assembly may be magnetic and may additionally comprise safety cables having other attachment means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.