Power tool with magneto-pneumatic striking mechanism

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United States of America Patent

PATENT NO 10792799
APP PUB NO 20130333911A1
SERIAL NO

13916184

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A power tool 1 including a bit socket 6 which is configured to hold a chiseling bit 7 so that the latter can move along an axis of movement 3. A magneto-pneumatic striking mechanism 2 includes a primary drive 22 that is arranged around the axis of movement 3 and that has a first magnet coil 46, a permanently and radially magnetizable ring magnet 42 and a second magnet coil 47 arranged consecutively in the striking direction 5. On the axis of movement 3, inside the magnet coils 46, 47, the striking mechanism 2 has a striker 4 and a striking block 13 arranged consecutively in the striking direction 5. An air cushion 23 acts upon the striker 4 in the striking direction 5.

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Patent Owner(s)

Patent OwnerAddress
HILTI AKTIENGESELLSCHAFTSCHAAN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Binder, Albert Buchs, CH 25 1433
Hakenholt, Christoph Feldkirch, AT 11 52
Kuntner, Jochen Dornbirn, AT 7 117

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