Dust extraction unit for hand tool

摘要

The hand tool has a tool holder (22) with a hollow housing and with dust extract slots in at least the sides of the housing. The extract duct leads into the main housing an to a rearward facing outlet duct (29) which has a swivel fitting to alow the flexible suction hose to be attached at different orientations. The main housing has a drive shaft (16) for the tool. The suction path is via a chamber around the drive shaft, with seals to seal the suction ducts from the main housing.