LIFTING DEVICE CLAMP HAVING A CURVILINEAR SURFACE

A clamp device (30) includes a plurality of arms (32, 34). One of the arms supports a securing member (36). The other arm includes a curvilinear surface (40) that directly engages a curved wall of an article at a location in line with a centerline of the securing member. The curvilinear surface (40)...

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Bibliographische Detailangaben
Hauptverfasser:	DERWIN WILLIAM J, DICKINSON JEFFREY M, SMITH JEFFREY A, BUCKLEY CRAIG A, CEGELKA JOHN E
Format:	Patent
Sprache:	eng
Schlagworte:	CRANES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HAND TOOLS HAULING HOISTING LIFTING LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES MANIPULATORS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS 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
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Beschreibung
Zusammenfassung:	A clamp device (30) includes a plurality of arms (32, 34). One of the arms supports a securing member (36). The other arm includes a curvilinear surface (40) that directly engages a curved wall of an article at a location in line with a centerline of the securing member. The curvilinear surface (40) allows for the clamp device to reliably engage an article having a curved wall for a lifting operation. One example use of a disclosed example device is for lifting tubes associated with a hydraulic elevator system.