Low-profile hydraulic lift
US4899985A · kind A · utility
32Cited by
4References
12Claims
0Family size
Inventor
Key dates
| Filing date | Aug 15, 1988 |
| Grant date | Feb 13, 1990 |
| Priority date | — |
| Expiry date | Aug 15, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F5/04
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A castered, low-profile, hydraulic lift assembly including a pivoting lift arm supporting a plurality of detachable transition arms and lift heads. Slip couplers, including linch pins and set screws mating with the arms and lift heads, adjustably position the proper head in overlying or underlying relation to the workpiece. The lift heads, which include workpiece securing hooks, support yokes, chains and support harnesses, slip mount to a slotted end of the outermost arm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.