Importance

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Abstract

To reduce the amount of time required to remove and replace a cover plate or cap (42) in an aperture in power tool housing, a cap assembly (32, 34, 38,42) for coupling to a housing of a power tool is proposed, which aperture facilitates location of a drum within, and removal of the drum from, the housing, the cap assembly (32, 34, 36, 38,42) also being for receiving an end of drive shaft of the tool adapted to drive and rotate the drum relative for the tool housing to remove material from a surface of a workpiece, the cap assembly (32, 34,38,42) comprising: a combined clamping (32, 34, 36, 38, 42) and shaft aliggnment with the shaft ena and a clamping position in engagement with the shaft end. To permit both planing and sanding to br performed using a single drum a drum (16) comprising an at least one mounting channel (56) for receiving an at least one planer blade (96) and the drum being adapted (120) to receive a tubolar sanding element (114), is proposed. To provide efficient extraction of material re-moved by a power tool, a tool housing (14a) having a primary chamber (130) in the housing,a secondary chamber (132) in the housing and an impeller (138) for generating a negative pressure differential between the primary chamber (130) and the secondary chamber (132) is proposed.

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First Claim