Machine tool chuck

Details Machine tool chuck Machine tool chuck

1978-08-17

1981-05-12

Bilinsky, Z. R.

Chucks or sockets

Socket type

Obliquely guided reciprocating jaws

279 59, 279 64, B23B 3104

Patent

active

042667895

ABSTRACT:
A tool chuck, especially for holding tool bits, for example twist drills, and for use with a machine tool, in particular a portable electric drill. The chuck is so constructed as to permit secure holding of the tool bit even when used in percussion drills or impact hammer drills, while at the same time providing protection for the elastic internal element which provides axial movement. The tool chuck has a core or mandrel surrounded by a hollow conical collar which includes at least two chuck jaws and the elastic member is located between the core and the collar to apply an axial force between these two parts when the chuck is closed on a tool bit while being protected against direct exposure to the impacts sustained by the chuck jaws.

REFERENCES:
patent: 2553990 (1951-05-01), Vidal
patent: 3168322 (1965-02-01), Dziedzik
patent: 3737170 (1973-06-01), Wanner et al.

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