EXCAVATOR THUMB ASSEMBLY

A thumb assembly mountable to a lifting arm of an excavator includes a base member mountable to the lifting arm, the base member having a link mounting aperture, a thumb member pivotally connected to the base member, a link member having a base mounting aperture in a first end for coupling to the ba...

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Bibliographische Detailangaben
1. Verfasser:	SELJESTAD GREGORY A
Format:	Patent
Sprache:	eng
Schlagworte:	COMBINED OPERATIONS CRANES DREDGING FIXED CONSTRUCTIONS FOUNDATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HAULING HOISTING HYDRAULIC ENGINEERING LIFTING LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS SOIL SHIFTING 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 TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TRANSPORTING UNIVERSAL MACHINE TOOLS
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Beschreibung
Zusammenfassung:	A thumb assembly mountable to a lifting arm of an excavator includes a base member mountable to the lifting arm, the base member having a link mounting aperture, a thumb member pivotally connected to the base member, a link member having a base mounting aperture in a first end for coupling to the base member and a thumb mounting aperture in a second end for coupling to the thumb member, a removable pin receivable through the link mounting aperture and the base mounting aperture to connect the link member to the base member, and a connection-assist system disposed on at least one of the link member and base member, the connection-assist system configured to provide a visual indication that the thumb member and the link member are in a position such that the removable pin can be received through both the link mounting aperture and the base mounting aperture.