APPARATUS AND METHOD FOR SUPPORTING A WORKPIECE DURING PROCESSING

AN APPARATUS FOR SUPPORTING A WORKPIECE (212) DURING PROCESSING OF THE WORKPIECE (212) IS DISCLOSED. THE APPARATUS COMPRISES: A CHASSIS HAVING A VACUUM CHAMBER (204) THAT IS CONNECTABLE TO A VACUUM SOURCE; A SUPPORTING DEVICE ROTATABLE RELATIVE TO THE CHASSIS, THE SUPPORTING DEVICE HAVING A HOLLOW C...

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Bibliographische Detailangaben
Hauptverfasser:	CHOW LAP KEI, CHENG CHI WAH, LEUNG CHI HANG
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HAND TOOLS MANIPULATORS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS SEMICONDUCTOR DEVICES TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING WORKING CEMENT, CLAY, OR STONE WORKING STONE OR STONE-LIKE MATERIALS
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Zusammenfassung:	AN APPARATUS FOR SUPPORTING A WORKPIECE (212) DURING PROCESSING OF THE WORKPIECE (212) IS DISCLOSED. THE APPARATUS COMPRISES: A CHASSIS HAVING A VACUUM CHAMBER (204) THAT IS CONNECTABLE TO A VACUUM SOURCE; A SUPPORTING DEVICE ROTATABLE RELATIVE TO THE CHASSIS, THE SUPPORTING DEVICE HAVING A HOLLOW COMPARTMENT (208) AND A SUPPORTING SURFACE FOR HOLDING THE WORKPIECE (212); AND AT LEAST ONE SEALING DEVICE (214) ARRANGED BETWEEN THE CHASSIS AND THE SUPPORTING DEVICE, TO PROVIDE AN AIR-TIGHT SEAL BETWEEN THE CHASSIS AND THE SUPPORTING DEVICE WHILE ALLOWING FOR ROTATION OF THE SUPPORTING DEVICE WITH RESPECT TO THE CHASSIS, SO AS TO FORM A VACUUM PASSAGE EXTENDING FROM THE SUPPORTING SURFACE OF THE SUPPORTING DEVICE THROUGH THE HOLLOW COMPARTMENT (208) OF THE SUPPORTING DEVICE AND THE VACUUM CHAMBER (204) OF THE CHASSIS TO THE VACUUM SOURCE, TO THEREBY HOLD THE WORKPIECE (212) TO THE SUPPORTING SURFACE OF THE SUPPORTING DEVICE DURING PROCESSING OF THE WORKPIECE (212). [FIG. 2]