Claims
- 1. A block suction device for fixing plate-shaped workpieces on a fixing beam or fixing table using vacuum, the device comprising:a housing and support structure, said housing and support structure having an upper surface with a defined position relative to the fixing beam or fixing table; a sealing plate mounting on said upper surface of said housing and support structure, said sealing plate having a sealing lip about a periphery thereof, said sealing lip delimiting a suction chamber, said sealing plate having corner openings directly adjacent to said sealing lip; and corner support elements cooperating with said upper surface of said housing and support structure, each corner support element positioned and dimensioned to pass through one of said corner openings in said sealing plate.
- 2. The block suction device of claim 1, wherein each of said corner support elements is located in a corner region of said sealing plate.
- 3. The block suction device of claim 1, wherein said corner support elements are uniformly distributed about said upper surface of said housing and support structure.
- 4. The block suction device of claim 1, wherein said sealing plate comprises a floor having said corner openings, wherein each corner opening is surrounded by a bead whose edge protrudes past said floor.
- 5. The block suction device of claim 4, wherein each bead protrudes past one associated corner support element.
- 6. The block suction device of claim 4, wherein each bead consists essentially of a compressible elastic material.
- 7. The block suction device of claim 4, wherein each bead is made from a slip-reducing material.
- 8. The block suction device of claim 1, wherein at least one of said corner support elements has a pin-shape.
Priority Claims (1)
Number |
Date |
Country |
Kind |
202 06 490 |
Apr 2002 |
EP |
|
Parent Case Info
This application is a continuation of PCT/EP03/04144 filed Apr. 22, 2003 and claiming Paris Convention priority to DE 20 206 490.5 the entire disclosure which are hereby incorporated by reference.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
3294392 |
Dunham |
Dec 1966 |
A |
6502808 |
Stone et al. |
Jan 2003 |
B1 |
Continuations (1)
|
Number |
Date |
Country |
Parent |
PCT/EP03/04144 |
Apr 2003 |
US |
Child |
10/445201 |
|
US |