Importance

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Abstract

An air exhaust method of a pneumatic tool and devices thereof include a tool body having an air guide element, a brake element sheathed at the air guide element, and an adjustment element fixed at the brake element. The air guide element contains a front and rear air guide structure, and the brake element includes a front and rear movable guiding structure corresponding to the air guide structures. Upon using the pneumatic tool, the front and rear movable guiding structure of the brake element is superimposed to the front and rear air guide structure of the air guide element, discharging air backward to prevent from suspension of dust to facilitate drilling; or the front and rear movable guiding structure escapes from the front and rear air guide structure of the air guide element, discharging debris forward to facilitate cutting, by rotating the adjustment element clockwise or counterclockwise.

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First Claim