Chain saw guide bar

Details Chain saw guide bar Chain saw guide bar

A - Human Necessities

01

G

A01G 23/091 (2006.01) B27B 17/02 (2006.01) B27B 17/12 (2006.01)

Patent

CA 2225806

Chain saw guide bar for vehicle-born chain saws, assembled from one middle plate (15) and two side plates (16) by laser welding and including channels for supplying liquids to nozzles (17, 19) on one or both side plates, where the channels run between the middle plate and a side plate and are made leakproof by continuous laser welds (20) joining only the middle plate with that side plate, and where other laser welds (11) join all three plates and are made as short welds with interruptions (12).

L'invention porte sur une barre de guidage pour scies à chaîne montées sur véhicules constituées d'une plaque centrale (15) et de deux plaques latérales (16) assemblées par soudage au laser et comportant des canaux destinés à transporter des liquides jusqu'à des buses (17, 19) placées sur l'une des plaques latérales ou sur les deux, lesdits canaux passant entre la plaque centrale et l'une des plaques latérales et étant rendus étanches par une suite continue de soudures au laser(20) ne fixant que la plaque latérale à la plaque centrale, et les autres soudures au laser (11) fixant ensemble les trois plaques et se présentant sous la forme de segments de soudure courts avec des interruptions (12).

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