MACHINE TOOL

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20130277077A1
SERIAL NO

13865729

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A hand-held machine tool includes a tool accept for mounting a chiseling tool on an operating axis. A pneumatic hammer mechanism includes a hammer mobile on an operating axis, an exciter, and a pneumatic chamber sealed by an exciter and the hammer, which couples the movement of the exciter to the hammer. The exciter is driven by a motor and moves back and forth between a frontal dead point distant from the tool and a dead point near the tool. A damper device includes a supercharger and a controlled outlet valve. The controlled outlet valve allows air to flow from the supercharger into the pneumatic chamber when the exciter is in the proximity of the dead point distant from the tool.

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Patent Owner(s)

Patent OwnerAddress
HILTI AKTIENGESELLSCHAFTSCHAAN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hartmann, Markus Mauerstetten, DE 136 960
Pfeiffer, Eduard Halblech, DE 12 76

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