Spiral cutting tool with detachable handle
OwnerRobert K. Koprasinventor
Life of this patent
Estimating the term…
Loading patent…
OwnerRobert K. Koprasinventor
Estimating the term…
A detachable handle is provided on hand-held power tools, such as spiral cutting tools, in which cuts are made by positioning the axis of the cutting tool motor housing perpendicular to a workpiece surface, and moving a cutting tool bit through the workpiece in a direction perpendicular to the axis of the bit to remove material from the workpiece. A gripping surface of the detachable handle is aligned substantially parallel with the axis of the cutting tool housing. The detachable handle allows a cutting tool to be grasped firmly and comfortably with two hands, with one hand grasping the detachable handle and the other hand grasping the housing of the cutting tool to improve cutting accuracy and reduce user fatigue. The cutting tool housing is preferably provided with lugs extending therefrom, whereby the detachable handle may be detachably attached to the cutting tool. Threaded knobs are passed through mounting holes in ends of the detachable handle and threaded into holes in the housing lugs to detachably secure the handle to the lugs. The detachable handle is preferably formed to include one or more storage compartments therein, accessible through apertures in the handle, for storage of additional cutting tool bits, cutting tool accessories, etc. A sliding door on the detachable handle may be provided to allow access to the storage compartments, and to close the compartments to secure items stored therein during operation of the cutting tool.
An improved hand held power tool of the type including a power tool housing enclosing means for rotating a shaft extending from an end of the power tool housing along an axis thereof and means for attaching a bit to the shaft, and wherein the power tool is used to remove material from a workpiece by positioning the axis of the power tool housing perpendicular to a surface of the workpiece and moving the power tool housing in a direction perpendicular to the axis of the housing and parallel to the surface of the workpiece to cause the rotating bit to be moved through the workpiece in a direction perpendicular to an axis of the bit to remove material from the workpiece, the improvement comprising:
An improved hand held power tool of the type including a power tool housing enclosing means for rotating a shaft extending from an end of the power tool housing along an axis thereof and means for attaching a bit to the shaft, and wherein the power tool is used to remove material from a workpiece by positioning the axis of the power tool housing perpendicular to a surface of the workpiece and moving the power tool housing in a direction perpendicular to the axis of the housing and parallel to the surface of the workpiece to cause the rotating bit to be moved through the workpiece in a direction perpendicular to an axis of the bit to remove material from the workpiece, the improvement comprising:
A spiral cutting tool, comprising:
A spiral cutting tool, comprising:
A spiral cutting tool, comprising:
A detachable handle for a spiral cutting tool, comprising:
A detachable handle for a spiral cutting tool, comprising:
A detachable handle for a spiral cutting tool, comprising:
The detachable handle of claim 27 wherein the handle is made of glass filled nylon.
Dependencies are inferred from the claim text.