Vacuum handling apparatus
US5934723A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 14, 1997 |
| Grant date | Aug 10, 1999 |
| Priority date | — |
| Expiry date | Apr 14, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F3/35
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a vacuum handling apparatus, having a suction gripper device which can be connected by means of a lifting hose to a vacuum-creating device and can be placed upon an object, in order to suck up the object for lifting or conveyance. The apparatus has a control valve for controlling the vacuum prevailing in the interior of the suction gripper device and in the lifting hose, in order to lift or lower the suction gripper device with a sucked-up object or the empty suction gripper device, or to deposit a sucked-up object. In order to make this apparatus easier to operate, without making its structure complex, the apparatus is designed in such a way that the control valve has a valve disc which can be rotated about a fixed axis relative to a bearing surface and has at least one control aperture, which control disc can be rotated by means of a rotary handle in such a way that the control aperture clears an increasing or decreasing effective flow cross-section with a ventilation aperture in the bearing surface, and further that the control disc can be lifted off the bearing surface in order to release a sucked-up object, or that a further ventilation apertur…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.