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Inventor:
Schnerring; Heinz
Address:
Dettenhausen, DE
No. of patents:
16
Patents:












Patent Number Title Of Patent Date Issued
8136607 Device having a torque-limiting unit March 20, 2012
A device has a torque-limiting unit of a power drill, wherein torque-limiting unit is intended to limit a screwdriving moment in a screwdriving function; and a power drill is provided with the new torque-limiting unit.
7644929 Hand-held power tool with a replaceable tool fitting January 12, 2010
A very easy-to-actuate, replaceable tool fitting is comprised in that at least one movably supported profiled body (15) on an output spindle (1) or on the tool fitting (11) of the hand-held power tool and at least one profiled recess (7) on the output spindle (1) or on the tool fitting (
7636516 Machine tool and method for operating a machine tool December 22, 2009
The invention relates to a machine tool comprising an electric motor (2) which serves to drive a tool and which has an adjustable, electric brush arrangement (3), and comprising a mode selector switch (6) having various switch positions. Provision is made for an adjusting device (8) to
7527272 Chuck May 5, 2009
A chuck is described, in particular for a hammer drill or chisel hammer, having a chuck body having an insertion opening for holding a tool shank, and a locking element for axially locking the tool shank in the insertion opening, the locking element being movable between a locked positio
7303026 Hand power tool, in particular drill hammer and/or jackhammer December 4, 2007
A hand power tool has a housing, and drive motor accommodated in the housing, a tool receptacle in which a tool is guided, a gear mechanism, a driving gear, and rotary sleeve arranged so that via the gear mechanism, the driving gear, and the rotary sleeve the tool receptacle is drivable
7258349 Hand power tool August 21, 2007
A hand power tool selected from the group consisting of a drill hammer and an impact hammer has an exchangeable tool holder, a guide pipe which receives the tool holder at its free end, a locking device arranged on the guide pipe and operative manually for fixing the tool holder on the
7137457 Hand-held machine tool November 21, 2006
A hand power tool, in particular a drill hammer or jackhammer, is disclosed, which has a guide tube (11), a tool holder (24) that can be attached interchangeably to the guide tube (11), and a locking device (23) that locks the tool holder (24) to the guide tube (11), the locking devi
7121359 Drilling hammer having an external mechanism for selectively switching operation between impact October 17, 2006
The present invention relates to a drilling hammer comprising a hammer tube (13) that is rotationally drivable inside a housing (10), a striking tool (14) located in the hammer tube (13) and provided with a piston (15) that can driven with a reciprocating motion, and an operating mode
6923271 Hand power tool August 2, 2005
A hand power tool has a tool, a hammer tube, a striking mechanism with a striker and an anvil with an integrated receptacle for the tool which is strikingly drivable in the receptacle, a blocking element connecting the tool and the anvil in an axial direction, and a toothing that connect
6918728 Circlip July 19, 2005
A snap ring for shafts or bores is proposed, which is able to be axially fixed in position by snapping into place in a circumferential groove. The snap ring is provided with a centering ring which, when the case of the snap ring is installed in the circumferential groove, extends with ra
6766868 Electric combination hammer-drill July 27, 2004
An electric combination hammer for use either as a drilling hammer or as a chisel hammer has a housing and a handle arranged on it. The housing has arranged on it an on-off switch having a pawl and a switch element for manually switching from drilling operation to chisel operation and vi
6675908 Drilling hammer or impact hammer January 13, 2004
A drill hammer or riveter, includes a housing (11), in which a hammering mechanism (12) is accommodated that in an axially displaceably supported guide tube (13) has a reciprocating piston (16) and a striker (17), drivable by the piston (16) via an air cushion; the hammering mechanism
6666283 Hand held power tool December 23, 2003
A hand power tool has at least one safety coupling arranged in a drive train, the safety coupling having at least two coupling elements for transmitting a torque around a rotary axis, at least one arresting element which is spring loaded and held in a guiding passage for connecting the
6527280 Hand held power tool March 4, 2003
A hand held power tool formed as a hammer drill has a strikingly drivable tool holder having a base body, at least one locking body with which the base body is form-lockingly connectable and through which the base body is fixable in a rotary direction in at least two positions, the locki
6464234 Machine tool, especially a hammer drill or chisel October 15, 2002
The machine tool, especially a hammer drill or chisel, has a rotatable and/or axially movable tool holder (10,12) for a tool (16) having a grooved shaft. The tool holder (10,12) includes a base body (22); two radially movable locking bodies (18,20) held in the base body and movable i
5996707 Hand power tool December 7, 1999
A hand power tool has a machine housing, a drive motor accommodated in the machine housing, a drive train connected with the drive motor and provided with a tool receptacle for rotation of a tool insertable in the tool receptacle, a detecting device for detecting an uncontrolled operatio










 
 
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