Fine drill head with slack-free radial displacement

Details Fine drill head with slack-free radial displacement Fine drill head with slack-free radial displacement

2005-12-13

2005-12-13

Banks, Derris H. (Department: 3722)

Cutting by use of rotating axially moving tool

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

To move radially

C408S154000, C408S181000

Reexamination Certificate

active

06974285

ABSTRACT:
The invention relates to a tool head, especially a fine drill head, comprising a machine shank and a tool shank having a joint center axis, wherein the tool shank has a rigid core and a head with a tool, supported by a parallel spring arrangement and is able to be elastically displaced in relation thereto, said head having several limbs which emanate therefrom and form the parallel spring arrangement, whereby at least one of said limbs is fixed to the core or machine shank. The inventive tool head also comprises a device for radial displacement of the head in relation to the core, comprising a positioning device which has a conical part and is guided inside the core. The conical part bears against a contact part of the parallel spring arrangement under pressure when in use. The core is configured with the parallel spring arrangement in a single piece.

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