Delimbing apparatus

Details Delimbing apparatus Delimbing apparatus

A - Human Necessities

01

G

A01G 23/08 (2006.01) A01G 23/095 (2006.01)

Patent

CA 2362969

The invention relates to a delimbing apparatus for processing elongated pieces, particularly tree trunks (S), which ap-paratus (1) comprises a frame structure (2) to be suspended at the end of a boom assembly in a working machine, at least one means, ar-ticulated in relation to said frame structure, for processing the trunk (S), and actuators (31a, 31c, 51a, 51b) for controlling the position and force effect (F) of said means. In the invention, said actuators comprise at least one joint (100) driven by a pressurized medium and comprising a joint frame (101), a joint arm (103) swivelled in said joint frame, and a blade structure (105, 106) fitted in said joint, by means of which blade structure the pressure effect of the pressur-ized medium produces said swivelling.

La présente invention concerne un appareil d'ébranchage permettant de traiter des pièces effilées, en particulier des troncs (S) d'arbre, cet appareil (1) comprend une structure (2) de cadre à suspendre à l'extrémité d'une allingue d'une machine de travail, au moins un organe articulé avec cette structure de cadre, destiné à traiter le tronc (S), et des dispositifs de commandes (31a, 31c, 51a, 51b) destinés à commander la position et l'effet (F) force de cet organe. Dans cette invention, ces dispositifs de commande comprennent au moins une articulation (100) entraînée par un milieu sous pression, qui comprend un cadre (101) d'articulation, un bras (103) d'articulation articulé dans ce cadre d'articulation, et une structure (105, 106) de pales adaptée dans cette articulation, à l'aide de laquelle l'effet de la pression du milieu sous pression produit ce mouvement articulé.

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