Patent ID: 8794349
Filing Date: 2014-08-05
Classification: B24B,B25F,B27B

Abstract:
1. A power-driven hand-held tool comprising: a housing; a drive motor arranged in said housing and having a motor shaft that defines a motor shaft axis; a workspindle comprising a tool holding fixture arranged outside the housing for holding a tool, said workspindle defining a spindle axis arranged at a first angle relative to said motor shaft axis such that the spindle axis and motor shaft axis are not collinear; at least one battery unit for supplying said drive motor with energy, said battery unit having a center of gravity; wherein said drive motor drives said workspindle oscillatingly about said spindle axis; wherein said center of gravity of said battery unit is located offset from said motor shaft axis on a side facing away from said tool holding fixture; wherein said drive motor, when viewed in the direction of said motor shaft axis, is arranged between said workspindle and said battery unit; and wherein a plane is defined by said spindle axis and said motor shaft axis and bisected by said motor shaft axis into a first portion that intersects said tool holding fixture and a second portion that contains said center of gravity of said batter unit.