Systems and methods for maintaining the density of grouped sheet articles
US7607653B2 · kind B2 · utility
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48References
22Claims
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Key dates
| Filing date | Oct 12, 2006 |
| Grant date | Oct 27, 2009 |
| Priority date | — |
| Expiry date | Jan 30, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/1916
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Systems and methods are provided for maintaining density and positioning of a grouped sheet articles, such as for feeding of sheet articles from or into the group. One or more pneumatic sensing systems can be used to monitor and control pressure of sheet articles within the group. Dynamic adjustment can be made to the density and position of the sheet articles in the group such as by controlling a motorized belt to move at least a portion of the group of sheet articles in response to an indication to do so from a controller in communication with the pneumatic sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.