Hand-held power tool, in particular a rotary hammer and/or chisel hammer

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United States of America Patent

PATENT NO 8613328
APP PUB NO 20090266572A1
SERIAL NO

11911178

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a hand power tool, in particular a drill hammer and/or chipping hammer, comprising a hammer unit (10a; 10b) for producing a pulse in the direction of a hammer axis (12a; 12b). Said tool has an axial drive unit (14a; 14b) with a drive element (16a; 16b) and a motor unit (18a; 18b), in addition to a motor shaft (20a; 20b), which forms an angle (22a; 22b) not equal to zero with the hammer axis (12a; 12b) and which co-operates with the axial drive unit (14a; 14b) by means of a torque transmission wheel (24a; 24b) of said unit, the axial drive unit (14a; 14b) being mounted on the opposite side of the torque transmission wheel (24a; 24b) from the motor unit (18a; 18b). The driven element (16a; 16b) of the axial drive unit (14a; 14b) is mounted directly on the torque transmission wheel (24a; 24b).

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Patent Owner(s)

Patent OwnerAddress
ROBERT BOSCH GMBHPOSTFACH 30 02 20 70442 STUTTGART

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dammertz, Ralph Mr. Prospect, US 25 433
Lennartz, Juergen Ostfildern, DE 27 584
Meixner, Gerhard Filderstadt, DE 54 955

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