Chain for three-dimensional transfer line
US6758328B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 18, 2002 |
| Grant date | Jul 6, 2004 |
| Priority date | — |
| Expiry date | Oct 18, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G2201/02
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
There is provided a conveyor chain for use in a three-dimensional conveyor line, in which a plurality of chain links each with a top plate provided on a link body thereof are connected endlessly to each other by shaft pins for three-dimensional conveyance of products, a projecting head portion of a rearward one of two adjacent chain links is disposed between a pair of leg portions of a frontward adjacent link, a shaft pin is penetrated through the projecting head portion so that the rearward chain link can freely be pivoted vertically and horizontally about the shaft pin, the top plate includes a front plate portion and rear plate portion, each portion formed defining its boundary as a semicircular line whose center is laid nearly at the center of the projecting head portion, the rear plate portion is integral with the rear upper portion of the link body while the front plate portion is disposed on the front upper portion of the link body, a bearing block is received in a bearing space, the bearing block is engaged on the shaft pin so that the rear plate portion can be pivoted horizontally in relation to the front plate portion. Since there takes place no gap between the front edge…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.