Clamping chuck for drill bits and chisel bits

Details Clamping chuck for drill bits and chisel bits Clamping chuck for drill bits and chisel bits

1986-09-03

1988-10-04

Bilinsky, Z. R.

Chucks or sockets

Socket type

Radially reciprocating jaws

279 60, B23B 3104

Patent

active

047751606

ABSTRACT:
A clamping chuck for securing a drill bit, chisel bit or the like in a drilling tool includes a guide sleeve into which the bit is inserted. Clamping jaws are radially displaceably mounted in the guide sleeve with a setting sleeve encircling the jaws. By axially displacing the setting sleeve relative to the guide sleeve the jaws can be radially displaced in gripping engagement with the bit. The setting sleeve has radially inwardly facing surfaces in contact with radially outwardly facing surfaces on the jaws. Retaining elements secured in the setting sleeve engage in slots in the jaws for guiding the jaws. The retaining elements can be strip-like elements extending through the slots in the jaws with the elements having a thickness corresponding to the slot width.

REFERENCES:
patent: 662535 (1900-11-01), Jenkins
patent: 1233921 (1917-07-01), Ross
patent: 1497483 (1924-06-01), Callender et al.
patent: 2430761 (1947-11-01), Duphily
patent: 3039341 (1962-06-01), Stieglitz
patent: 4121848 (1978-10-01), Morawski
patent: 4508180 (1985-04-01), Klueber

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