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US 5,033,923 AGranted
Rotary tool
OwnerEiichi Osawainventor
Life of this patent
Estimating the term…
Abstract
A rotary tool is provided with a shank and a collar-like section, and further includes a plurality of screw-threaded holes drilled in a vertical end face of the collar-like section, in parallel relationships with the axis of the collar-like section. A plurality of balancing weights are removably screwed in the holes as required to balance the tool.
Claims3
A rotary tool comprising
- shank means for engaging a machine tool,
- a collar-like section secured to said shank means, said shank means and said collar-like section having a common central rotational axis,
- said collar-like section having an end face which is substantially perpendicular to said axis,
- a plurality of cylindrical orifices which extend through said end face substantially parallel to said axis, and
- at least one removable balancing weight in at least one of said orifices for balancing the rotary tool,
- whereby the rotary tool may be balanced by inserting additional weights in said orifices or removing weights from said orifices.
3 more elements
A method of making parts with a machine tool comprising the steps of
- securing a rotary tool in a balancing machine, said rotary tool having a central rotational axis,
- balancing said rotary tool by identifying any unbalanced conditions in said rotary tool with said balancing machine and inserting at least one weight in one of a plurality of orifices in the rotary tool, to correct said unbalanced condition, said orifices being spaced from and parallel to said axis,
- securing said balanced rotary tool in the machine tool, and
- making at least a portion of the parts in the machine tool using said balanced rotary tool.
1 more element
Dependencies are inferred from the claim text.