Hand-Held Power Tool, in Particular a Rotary Hammer and/or Chisel Hammer

Abstract

The invention is based on a portable power tool, in particular a hammer drill and/or rotary hammer, comprising a motor unit ( 10 a; 10 b; 10 c ) and a gear unit ( 12 a; 12 b; 12 c ) and also a machining axis ( 14 a; 14 b; 14 c ). It is proposed that at least one gear means ( 16 a, 18 a, 20 a; 16 b, 18 b, 20 b; 18 c ) of the gear unit ( 12 a; 20 12 b; 12 c ) have a rotation axis ( 22 a, 24 a; 22 b, 24 b; 24 c ) oriented obliquely to the machining axis ( 14 a; 14 b; 14 c ).

1 . A hand-held power tool, in particular a rotary hammer and/or chisel hammer, with a motor unit ( 10   a ;  10   b;    10   c ) and a transmission unit ( 12   a ;  12   b ;  12   c ), and with a working axis ( 14   a ;  14   b ;  14   c ),
 wherein   at least one transmission element ( 16   a ,  18   a ,  20   a ;  16   b ,  18   b ,  20   b ;  18   c ) of the transmission unit ( 12   a ;  12   b ;  12   c ) has a rotation axis ( 22   a ,  24   a ;  22   b ,  24   b ;  24   c ) that is oriented diagonally to the working axis ( 14   a ;  14   b ;  14   c ).   
   
   
       2 . The hand-held power tool as recited in  claim 1 ,
 wherein   the rotation axis ( 22   a ,  24   a ;  22   b ,  24   b ;  24   c ) of the transmission element ( 16   a ,  18   a ,  20   a ;  16   b,    18   b ,  20   b ;  18   c ) has at least one component that extends in the direction of the working axis ( 14   a ;  14   b ;  14   c ).   
   
   
       3 . The hand-held power tool as recited in  claim 1 ,
 wherein   the transmission element ( 18   a ,  20   a ;  18   b ,  20   b ;  18   c ) is provided at least partially in the form of a gearwheel.   
   
   
       4 . The hand-held power tool as recited in  claim 1 ,
 wherein   the transmission element ( 20   b ) is provided in the form of a gear stage.   
   
   
       5 . The hand-held power tool as recited in  claim 1   wherein   the transmission element ( 16   a ;  16   b ) is provided in the form of a shaft.   
   
   
       6 . The hand-held power tool as recited in  claim 5 , wherein the transmission element ( 16   a ;  16   b ) is provided in the form of a motor shaft. 
   
   
       7 . The hand-held power tool as recited in  claim 1 , characterized by an impact mechanism ( 26   a ;  26   b ;  26   c ). 
   
   
       8 . The hand-held power tool as recited in  claim 7 ,
 wherein   the impact mechanism ( 26   a ;  26   b ;  26   c ) includes a wobble bearing ( 28   a ;  28   b ;  28   c ).   
   
   
       9 . The hand-held power tool as recited in  claim 1 , characterized by a motor shaft with an output region ( 30   a ;  30   b ), which is located at least partially on a side of the working axis ( 14   a ,  14   b ) facing away from a center of mass ( 32   a ;  32   b ) of the motor unit ( 10   a ;  10   b ). 
   
   
       10 . The hand-held power tool as recited in  claim 1 , characterized by a motor shaft with an output region ( 30   c ) that is located at least partially on a side of a center of mass ( 32   c ) of the motor unit ( 10   c ) facing away from the working axis ( 14   c ).