Vacuum lifting plate with suction passageway ball valves
US6039529A · kind A · utility
4Cited by
7References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 24, 1998 |
| Grant date | Mar 21, 2000 |
| Priority date | — |
| Expiry date | Nov 24, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G47/91
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An apparatus for lifting and moving articles, comprising at least one arrangement with a vacuum chamber, which is connected to an arrangement which is capable of producing negative pressure in the vacuum chamber, the underside of a lower plate being provided with an elastic airtight bottom and also being provided with a number of first through-passages to the vacuum chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.