Marking apparatus with cable drive

Appts. for marking an object surface in response to control inputs has a flat support platen (40) and two crossbar assemblies (102) spaced from the platen and supported by bearings to be driven in respective coordinate senses by a motor. The crossbars engage in respective channels in a base (20) car...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CYPHERT, DAVID L, SIELING, ROGER L
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	DECORATIVE ARTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FORSCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING PERFORMING OPERATIONS 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 TRANSPORTING
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Beschreibung
Zusammenfassung:	Appts. for marking an object surface in response to control inputs has a flat support platen (40) and two crossbar assemblies (102) spaced from the platen and supported by bearings to be driven in respective coordinate senses by a motor. The crossbars engage in respective channels in a base (20) carrying a marker. Pref. there is an air bearing (80) between the base and platen and is pref. formed as a porous carbon bearing. The base is pref. made of polyetherimide, and there is a rigid spherical force coupler between the base and air bearing. The crossbars are pref. driven by respective motors via flexible cables. The marker e.g. comprises a head with pneumatically driven pins.