Cutting tool holder

Details Cutting tool holder Cutting tool holder

1976-05-05

1977-10-11

Simpson, Othell M.

Cutting by use of rotating axially moving tool

Tool-support with means to move tool relative to tool-support

To move radially

279 1Q, 279 6, 408714, B23B 29034

Patent

active

040532526

ABSTRACT:
A cutting tool holder for rotatably supporting a cutting bar is provided in which the radial distance between the axis of rotation of the cutting tool holder and the cutting edge of the cutting bar is adjustable. The cutting tool holder comprises a hub member having one axial end secured to a rotating machine and an eccentric bore formed in the other axial end of the hub member. The cutting bar is secured to a bar holder having a shank which is rotatably received in the eccentric bore. A circular drive plate is fastened across the inner axial end of the bar holder and limits axial movement, but permits rotation of the bar holder within the eccentric bore. A compressible biasing member urges axial separation of the drive plate and the housing to functionally lock the bar against rotation during use. A tubular and cylindrical bearing sleeve also constructed of a compressible material is disposed within the eccentric bore between the bore and the bar holder to facilitate the rotation necessary to produce adjustment.

REFERENCES:
patent: 2931254 (1960-04-01), Briney, Jr. et al.
patent: 3125903 (1964-03-01), Briney, Jr. et al.

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