Suction device
US10906335B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 13, 2019 |
| Grant date | Feb 2, 2021 |
| Priority date | — |
| Expiry date | Aug 13, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2406/3632
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
According to examples, there is provided a suction device, system and method for retaining media on a surface. The suction device comprising a suction cup having a vacuum port for coupling the suction cup to a vacuum source, a sealing piston configured to seal the vacuum port when the sealing piston is in a first position, wherein when the sealing piston is in a second, depressed, position the vacuum source is coupled to the suction cup the sealing piston further comprising a piston head extending above a rim of the suction cup when the sealing piston is in the first position, and a biasing element to bias the sealing piston to the first position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.