Electric hand tool, in particular drill

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5533581
SERIAL NO

07971865

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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In an electric hand tool, particularly a drill, with a housing, an electric motor which is received in the housing and has a motor shaft parallel to the housing axis, and with a work spindle which is driven by the electric motor via a transmission gearing, the housing is divided along a dividing plane for the purpose of switching from straight drilling to angular drilling and it is provided that the front housing part containing a bearing for the work spindle and the rear housing part containing the electric motor can swivel relative to one another in such a way that the work spindle projecting out of the front housing part can occupy any angle between 0.degree. and 90.degree. or more relative to the motor shaft. A catch lock which can be unlocked and/or locked manually stops the two housing parts in the selected swivel position. A torsionally rigid transmission of force from the motor shaft to the work spindle is realized in every swivel position of the housing parts in the transmission gearing.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
ROBERT BOSCH GMBHPOSTFACH 30 02 20 70442 STUTTGART 70442

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barth, Walter Leinfelden-Echterdingen, DE 11 1468
Fuchs, Rudolf Neuhausen, DE 91 2041
Langenfelder, Frank Heilbronn, DE 4 1309
Martinez, David M New Bern, NC 20 2016

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