Hardened components in a conveyor drive system
US10974904B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2019 |
| Grant date | Apr 13, 2021 |
| Priority date | — |
| Expiry date | Aug 30, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF27B9/24
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
In one embodiment of the present disclosure, a drive chain system (22, 24) for a spiral conveyor belt (34) includes inner (52) and outer (62) drive chains driving the spiral conveyor belt, the inner and outer drive chains each including a plurality of links (70) defined by a plurality of first (72) and second (74) pitches connected by linking pins (84, 86) extending through holes (80, 82) in the pitches, wherein at least a portion of the linking pins of at least one of the inner and outer drive chains are hardened and/or dissimilar linking pins which are harder on an outer surface than other components in the inner and outer drive chains.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.