B - Operations – Transporting – 23 – D
Patent
B - Operations, Transporting
23
D
B23D 63/16 (2006.01)
Patent
CA 2295758
Grinding device for chain saws, where the saw chain is sharpened b pressing an abrasive block (15) against the top side of the cutter links (11) when the saw chain is running around a rim type sprocket (14) and the generally cylindrical periphery of the drive sprocket has raised steps or ramps (17, 27) which lift the front end of the cutter links, thereby allowing a sufficiently large cutting depth without locating the depth gauge far in front of the front rivet. This reduces vibrations and instabilities of the saw chain when sawing.
L'invention concerne un dispositif d'affûtage de scies à chaîne. La chaîne est aiguisée par application d'un bloc abrasif (15) sur la face supérieure des maillons coupants (11) lorsque la chaîne défile autour d'une roue dentée de type jante (14). La périphérie généralement cylindrique de la roue d'entraînement possède des dents ou dents en biseau (17, 27) qui soulèvent l'extrémité frontale des maillons coupants (11). On obtient ainsi une profondeur de coupe suffisamment importante sans qu'il faille placer la cale étalon de profondeur loin devant le rivet frontal. Cela permet de réduire les vibrations et les instabilités de la chaîne lors du sciage.
Gowling Lafleur Henderson Llp
Kapman Ab
LandOfFree
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