Power tool

Details Power tool Power tool

B - Operations, Transporting

25

F

B25F 5/00 (2006.01) B23Q 11/00 (2006.01) B24B 23/02 (2006.01) B24B 55/02 (2006.01) B25F 5/02 (2006.01)

Patent

CA 2417990

This invention relates to a power tool (1) including an operative element (4) for treating a work piece. The power tool (1) defines an air passageway and includes propelling means (20) operative to induce air to flow through the passageway. The passageway direct the induced air over the power tool's motor (14) to cool the motor (14). The air is exhausted from the tool (1) by exhaust means onto the operative element (4) and a worked face of the work piece. This cools the operative element (4) which prolongs its working life. Furthermore, the exhausted air facilitates removal of swarf from the worked face.

Cette invention se rapporte à un outil à commande mécanique (1) qui comprend un élément actif (4) servant à traiter une pièce à usiner. Cet outil à commande mécanique (1) définit un passage d'air et comporte un moyen de propulsion (20) agissant de façon à amener l'air à traverser ledit passage. Ce passage dirige l'air ainsi induit sur le moteur (14) de l'outil, ce qui refroidit ledit moteur (14). L'air est évacué de l'outil (1) par un moyen d'échappement et dirigé sur l'élément actif (4) et sur la surface usinée de la pièce à usiner, ce qui refroidit l'élément actif (4), prolongeant ainsi sa durée de vie. L'air évacué facilite en outre l'élimination des débris de la surface usinée.

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