Pneumatic type paper feeding apparatus
US7497431B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2005 |
| Grant date | Mar 3, 2009 |
| Priority date | — |
| Expiry date | Mar 29, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86863
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An air current distributing apparatus includes: a cylinder having a first air port communicated with a supply source of an air current and also having a second, a third, a fourth and a fifth air port respectively communicated with an injection port of the air current; a main rotor rotated in the cylinder; and a subrotor rotated in the cylinder, wherein the main rotor has a cutout portion for selectively communicating the first air port with at least one of the second and the third air port according to the rotary position, and the subrotor has a cutout portion for selectively communicating the first air port with at least one of the fourth and the fifth air port according to the rotary position. When the air current distributing apparatus is used, a plurality of air currents are formed by one blower.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.