Arm arrangement of a lifting device

Details Arm arrangement of a lifting device Arm arrangement of a lifting device

E - Fixed Constructions

02

F

E02F 3/39 (2006.01) B66F 9/065 (2006.01) E02F 3/30 (2006.01)

Patent

CA 2239506

An arm arrangement of a lifting device, said arrangement comprising two arm elements (4,5) connected to each other, a first (4) one of which is connected to a support element (6) and the second (5) one is provided with a function member (7) and pivoted, which arrangement is characterized in that it comprises means (10, 11, 12; 17, 18, 19) for moving the point of interconnection of the arm elements along the second arm element (5) between at least two positions. The arm arrangement allows for the lifting device to be used for several purposes, as height digging and depth digging, respectively.

L'invention concerne un système de bras pour un dispositif de levage, ce système comprenant deux éléments de bras (4, 5) reliés ensemble, le premier (4) étant relié à un élément de support (6) et le second (5) portant un élément de type outil (7) et pouvant pivoter. Le système de l'invention comprend des moyens (10,11,12; 17, 18, 19) pour déplacer le point de jonction des éléments de bras le long du second élément de bras (5) entre au moins deux positions. Ceci permet au dispositif de levage d'être utilisé dans différentes conditions, comme par exemple, pour les excavations en hauteur ou les excavations en profondeur.

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