Swivel ram roller
US7275908B2 · kind B2 · utility
2Cited by
5References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2004 |
| Grant date | Oct 2, 2007 |
| Priority date | — |
| Expiry date | May 23, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60P1/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A roller mechanism for transporting loads over a surface, the roller mechanism including a body, at least one roller assembly that permits the body to move in at least one translational direction, the roller assembly being rotatably connected to the body, and a lifting mechanism attached to the body such that the body is selectively rotatable relative to the lifting mechanism, wherein the lifting mechanism can be operated to lift the roller assemblies out of contact with the surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.