US2006185867A1PendingUtilityA1

Hand-held power tool

42
Assignee: FRAUHAMMER KARLPriority: Feb 18, 2005Filed: Jan 5, 2006Published: Aug 24, 2006
Est. expiryFeb 18, 2025(expired)· nominal 20-yr term from priority
B25D 17/043B25F 5/006B25D 17/24B25D 17/04
42
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Claims

Abstract

A hand-held power tool has a main element; a main handle fastened to the main element, the main handle being supported such that the main handle is movable relative to the main element, the main element including a tool fitting that defines a tool axis and the center of gravity that defines a normal direction oriented perpendicular to the tool axis and pointing toward the center of gravity, the main element being moved out of a stationary position toward the main handle so that a portion of at least 10% by weight of the main element is guided with a movement component in the normal direction along a trajectory.

Claims

exact text as granted — not AI-modified
1 . A hand-held power tool, comprising a main element; a main handle fastened to said main element, said main handle being supported such that said main handle is movable relative to said main element, said main element including a tool fitting that defines a tool axis and a center of gravity that defines a normal direction oriented perpendicular to said tool axis and pointing toward said center of gravity, said main element being moved out of a stationary position toward said main handle so that a portion of at least 10% by weight of said main element is guided with a movement component in the normal direction along a trajectory.  
   
   
       2 . A hand-held power tool as defined in  claim 1 , wherein said main handle is swivelable around at least two swivel axes relative to said main element.  
   
   
       3 . A hand-held power tool as defined in  claim 2;  and further comprising two rotating elements configured so that said main handle is swivelable via said two rotating elements around said two swivel axes and relative to said main element.  
   
   
       4 . A hand-held power tool as defined in  claim 1 , wherein said rotating elements have different lengths.  
   
   
       5 . A hand-held power tool as defined in  claim 3 , wherein said rotating elements are each supported in a support at their ends facing away from said main handle, and a straight line extending through the supports form an angle >45° with said tool axis.  
   
   
       6 . A hand-held power tool as defined in  claim 1 , wherein the motion of said main handle relative to said main element is kept within a single dimension.  
   
   
       7 . A hand-held power tool as defined in  claim 1 , wherein said main handle is stationary, said main element making a rotational movement around a joint-free axis of rotation when it moves from a stationary position and approaches said main handle.  
   
   
       8 . A hand-held power tool as defined in  claim 7 , wherein said main handle, relative to said tool axis, is located behind said tool fitting, and said axis of rotation as a whole is located in front of said handle.  
   
   
       9 . A hand-held power tool as defined in  claim 7 , wherein said main handle, relative to said tool axis is located behind said tool fitting, and said axis of rotation as a whole is located in front of said-center of gravity.

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