Tool holder for drilling and chiselling tools

Details Tool holder for drilling and chiselling tools Tool holder for drilling and chiselling tools

1985-09-13

1987-10-20

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

Tool-support

With tool-retaining means

279 65, 279 82, 279 97, 409232, B23B 3112

Patent

active

047010835

ABSTRACT:
A tool holder for drilling and chiselling tools includes a receiving sleeve forming a bore with a conically shaped section for receiving a conically shaped shank on a drilling or chiselling tool. Shoulders extending in the axial direction of the sleeve are formed on the surface of the conically shaped section for interengagement with grooves in the drilling or chiselling tool shank so that the sleeve can rotate the tool. Locking elements in the form of axially elongated pins are mounted in the receiving sleeve so that the pins extend transversely of the sleeve axis and tangentially of the conically shaped bore section. The pins are spring biased toward the bore section and are displaceable generally radially relative to the bore. The pins are arranged to seat within an annular groove in the shank of the tool.

REFERENCES:
patent: 1138465 (1915-05-01), Fegley et al.
patent: 2580930 (1952-01-01), Kost
patent: 2731273 (1956-01-01), Edens
patent: 3583715 (1971-06-01), Jahrl

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