Tool holder for a drilling or a chiseling device

Details Tool holder for a drilling or a chiseling device Tool holder for a drilling or a chiseling device

1985-04-16

1986-12-02

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

Tool-support

With tool-retaining means

279 1B, 279 196, 279 81, 279 82, B23B 3110

Patent

active

046261460

ABSTRACT:
A tool holder for securing a drilling or chiseling tool in a device includes a guide tube for receiving the cylindrically shaped shank of the tool. An adjusting sleeve laterally encloses the guide tube and the sleeve is axially and rotatably displaceable relative to the guide tube. When the adjusting sleeve is axially displaced a cam projecting from one of the adjusting sleeves and the guide tube contacts a cam surface on the other for effecting the rotational displacement. The cam surface is inclined relative to the axial direction of the guide tube. Openings extend through the guide tube between its inner and outer surfaces and recesses in the inside surface of the sleeve register with the openings when the sleeve is rotatably displaced. Locking elements are radially displaceably mounted in the openings in the guide tube and secure the tool shank in the holder. These locking elements can move radially outwardly into the recesses in the adjusting sleeve when the sleeve is rotatably displaced for releasing the tool shank from the holder.

REFERENCES:
patent: 3536335 (1970-10-01), Schmuck
patent: 3708178 (1973-01-01), Lauricella
patent: 3747946 (1973-07-01), Edens
patent: 4231581 (1980-11-01), Benedict
patent: 4491444 (1985-01-01), Rumpp et al.

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