Vacuum operated clamping device, comprises spring loaded valve automatically opened when work-piece is positioned
The device is assembled of a base carrying a multitude of suction elements (2) connected with air ducts (8) to a vacuum creating device and elements for lifting the processed item. Each of the elements (2) accommodates a helical spring (6) acting on a ball (5) closing the opening (11) at the top (10...
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Format: | Patent |
Sprache: | eng ; ger |
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