Patent ID: 11911882
Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 14:
15. A method for inserting a tool bit into a tool bit holder, the tool bit including a working end portion and an insertion end portion defining an end of the tool bit and a first profile, the insertion end portion having an outer surface formed on the insertion end portion, the tool bit holder including a holder body having a hollow interior, the method comprising:
providing a non-circular profile on the tool bit that partially defines the outer surface;
providing a non-circular profile in the holder body that partially defines the hollow interior;
providing an alignment region on the tool bit between the end of the tool bit and the non-circular profile on the tool bit, the alignment region including projections that gradually transition from the first profile to the non-circular profile on the tool bit;
inserting the end of the tool bit into the hollow interior of the tool bit holder in any orientation; and
engaging the alignment region with the tool bit holder to automatically align the non-circular profile on the tool bit with the non-circular profile in the holder body.