Tool holder with hydraulic coupling means

Details Tool holder with hydraulic coupling means Tool holder with hydraulic coupling means

2004-01-29

2010-02-02

Rodríguez, Saúl J (Department: 3652)

Material or article handling

Vertically swinging load support

Shovel or fork type

C414S569000

Reexamination Certificate

active

07654787

ABSTRACT:
The invention relates to a tool holder for cranes. The tool holder comprises hydraulic cylinder means arranged to detachably be able to lock a tool to the tool holder. Furthermore, hydraulic coupling means is comprised and arranged to be connected with hydraulic coupling means on the tool and hydraulic line means. The object of the invention is, among other things, to reduce the number of requisite lines in the hydraulic line means. According to the invention, the tool holder comprises furthermore valve means provided with switching means arranged to connect the hydraulic line means either to the hydraulic cylinder means or to the hydraulic coupling means of the tool holder. Thereby, the same hydraulic line means may be used for the locking i 5 function and the tool. The invention also relates to a crane provided with such a tool holder as well as use of the tool holder.

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