Cutting tool chuck with non-circular cross-section and cutting t

Details Cutting tool chuck with non-circular cross-section and cutting t Cutting tool chuck with non-circular cross-section and cutting t

1998-03-09

1999-12-07

Howell, Daniel W.

Gear cutting, milling, or planing

Milling

Cutter spindle or spindle support

279103, 408239A, 409232, 409234, B23C 526

Patent

active

059972262

ABSTRACT:
A cutting tool chuck comprises a spindle provided with a tapered bore having the shape of a regular hexagonal prismoid for receiving a shank of a tool holder or a cutting tool, a retainer placed in the tapered bore of the spindle, and a plurality of rollers held in place by the retainer so as to be in rolling contact with the surfaces defining the tapered bore and the surfaces of the shank. The retainer has a plurality of retaining ribs extending along ridge sections of the tapered bore, an upper connecting ring to which the upper ends of the retaining ribs are joined, and a lower connecting ring to which the lower ends of the retaining ribs are joined. Each roller has a pair of projections at its opposite ends, and the rollers are supported for rotation at their projections on the retaining ribs.

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