Belt tensioner and turnover device for a printed circuit board belt conveyor
US5259495A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 22, 1993 |
| Grant date | Nov 9, 1993 |
| Priority date | — |
| Expiry date | Jan 22, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K13/0061
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention provides an article flipper comprising a first turnover member mounted to a conveyor frame member for rotation about an axis substantially perpendicular to said frame member, a slot in the turnover member for receiving a side edge of sheets, a stop for arresting sheets with a leading portion of the side edges in the slot, and a rotator for rotating the first turnover member through about 180 degrees. The article flipper may include a second turnover member having a detent or being movable to clamp sheets between it and the first turnover member, or may include a rack and pinion. A belt tensioner which may be used with the article flipper is also provided and comprises a tensioning wheel for engaging the belt, a moveable block including a shaft for mounting the tensioning wheel, and a wedge for urging the block toward the belt. A belt change facilitator which may be used with the article flipper is also provided and comprises a sprocket for circulating the belt, a splined shaft, and a releasable lock for connecting the shaft to the sprocket. In another aspect, the invention relates to a method for flipping articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.