Conveyance device
US7980379B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 9, 2009 |
| Grant date | Jul 19, 2011 |
| Priority date | — |
| Expiry date | Oct 9, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B23/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A conveyance device has two endless arrangements of tread steps, step plates or pallets driven in a transportation direction by a drive. Adjacent to a first longitudinal side of the first arrangement is a first balustrade with a handrail, and adjacent a second longitudinal side of the first arrangement is a second balustrade and handrail. The second arrangement is located parallel and next to the first arrangement and is also driven by the drive. The second balustrade is configured as a center balustrade between the two arrangements to be used by persons on both arrangements. A third balustrade and handrail is adjacent a second side of the second arrangement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.