Working tool holder for a drilling or chiseling device

Details Working tool holder for a drilling or chiseling device Working tool holder for a drilling or chiseling device

1988-12-23

1991-03-19

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

Tool-support

With tool-retaining means

279 65, 279 82, 279 97, 279101, 409232, 408226, B23B 3112

Patent

active

050006312

ABSTRACT:
A working tool holder for a drilling or chiseling device includes a holder sleeve with an axially extending conically shaped section within a holder opening or bore. A working tool to be secured in the holder sleeve, has a tool shaft with a conically shaped section to engage the conically shaped section in the holder opening. Grooves are formed in the tool shaft to receive inwardly projecting ridges in the holder opening. The tool shaft has recesses to receive the pins mounted in the holder sleeve. The tool shaft and an actuating sleeve extending around the holder sleeve each have connecting threads for securing the working tool in the holder.

REFERENCES:
patent: 1030387 (1912-06-01), Critton
patent: 1635909 (1927-07-01), Tobeler
patent: 2089166 (1937-08-01), Reichardt
patent: 2212406 (1940-08-01), Rusnak
patent: 2580930 (1952-01-01), Kost
patent: 2948559 (1960-08-01), Recker
patent: 3658351 (1972-04-01), Benjamin et al.
patent: 4701083 (1987-10-01), Deutschenbaur et al.

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