Hammering screwdriver device with disengageable striking...

Details Hammering screwdriver device with disengageable striking... Hammering screwdriver device with disengageable striking...

B - Operations, Transporting

25

B

B25B 19/00 (2006.01) B25B 21/02 (2006.01)

Patent

CA 2278321

A hammering screwdriver 1 for tightening and loosening screws offers the possibility of operating the rotating action alone when tightening the screws, and a rotation/hammering action when loosening the screws. This is primarily attained by the construction of the cam controller casing 2 between which and the hammering mechanism cage 6 a ball 10 is arranged. With this exclusively rotating motion, this ball 10 lies in a salient 16 below an elevation 8 on the head end 7 of the cam controller casing 2. With rotation/hammering motion, the ball 10 is moved over the track 3 to the head end 7 of the cam controller casing 7 until it reaches the elevation. Here the cam controller casing 2 moves forward in an axial direction owing to which hammering action occurs.

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