Modular drill with cam clamping
AssigneeKennametal Inc.
InventorAlan J. Bookheimer
Life of this patent
Estimating the term…
Abstract
A modular drill is disclosed. The modular drill includes a tool shank extending along a rotational axis. The tool shank includes a shank top end and a shank bottom end along a rotational axis and includes a cam slot extending at least partially through a width of the tool shank. The modular drill includes a cutting head extending from a cutting head top surface to a cutting head bottom surface centered on the rotational axis. The cutting head includes a draw pin extending from the bottom surface of the cutting head along the rotational axis and a draw pin notch. The modular drill includes a clamping cam including a cam shaft contacting the draw pin notch.
Claims14
A modular drill comprising:
- a tool shank extending along a rotational axis comprising a shank first end and a shank second end along the rotational axis and comprising a cam slot extending at least partially through a width of the tool shank;
- a cutting head extending from a cutting head first surface to a cutting head second surface centered on the rotational axis, wherein the cutting head comprises:
- a draw pin extending from the cutting head second surface along the rotational axis;
- and
- a draw pin notch;
- and
- a clamping cam comprising a cam shaft structured and arranged to contact the draw pin notch, wherein the clamping cam further comprises:
- a first end extending along a cam central axis from a first end outer wall to a first end inner wall;
- a second end opposite the first end extending along the cam central axis from a second end inner wall to a second end outer wall;
- and
- the cam shaft connecting the first end inner wall to the second end inner wall, wherein the cam shaft extends from the first end inner wall to the second end inner wall along a cam shaft axis, wherein the cam shaft axis is parallel to and offset from the cam central axis.
Dependencies are inferred from the claim text.