Hand-held tool with switching means for variable operation

Details Hand-held tool with switching means for variable operation Hand-held tool with switching means for variable operation

B - Operations, Transporting

25

F

77/28, 77/41

B25F 3/00 (2006.01) B25D 16/00 (2006.01) B25D 17/08 (2006.01) B25F 5/00 (2006.01)

Patent

CA 1304963

ABSTRACT In a hand-held tool having a tool holder for receiving a variety of tool bits, a probing device is provided for checking the surface configuration of the shank of a tool bit inserted into the tool holder. The probing device includes at least one control element arranged to move radially inwardly through an opening in the tool holder. If the control element moves radially inwardly into an axially elongated recess in the tool bit shank, it moves out of stopping engagement with a slide permitting the slide to move relative to the control element and initiating a switching operation for changing the driving action of the hand-held tool.

554487

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