Chain conveyor assembly
US4793473A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1987 |
| Grant date | Dec 27, 1988 |
| Priority date | — |
| Expiry date | Sep 15, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G2201/02
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A chain conveyor assembly wherein the conveyor chain is constructed to enable the chain to be flexed in two dimensions, e.g., about horizontal and vertical axes, and is designed to convey heavy loads in a stable manner despite the use of a simple and economical conveyor chain. In accordance with a preferred embodiment, the chain conveyor assembly is comprised of a conveyor chain that is formed of a series of wheel units, a guide track arrangement providing surfaces upon which wheels of the wheel units ride, a drive arrangement for driving the conveyor chain, and self-supporting trays for conveying of articles thereon. Each of the trays is coupled to a drive link arrangement that is used to interconnect successive wheel units together and by which the conveyor chain is driven by the drive arrangement. Each wheel unit is formed of a first and second single wheel, that is journalled to a first end of each link of a respective first and second pair of pivot links for rotation about a first axis extending normal to a direction of chain movement, and a third single wheel, which is journaled to a second end of each link of both pairs of pivot links for rotation about a second axis which e…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.