Clamping chuck for a machine tool

Details Clamping chuck for a machine tool Clamping chuck for a machine tool

1988-11-09

1990-11-13

Bilinsky, Z. R.

Chucks or sockets

Radially reciprocating jaws

Lever actuated

279123, 279110, B23B 31175

Patent

active

049696548

ABSTRACT:
The invention relates to a clamping chuck. The clamping parts of the jaws are connected to support pieces sliding radially inside the body by means of bolts sliding axially inside these support pieces and provided with teeth.
An axially sliding operating ring causes the jaws to clamp by acting on the support pieces by means of levers for example. The bolts are operated by actuating members.
To avoid undesired clamping when the clamping parts are disassembled or adjusted, means lock the operating ring when an actuating member is in the position corresponding to retraction of the bolt, preferably before this retraction can be performed.

REFERENCES:
patent: 3682491 (1972-08-01), Sakazaki et al.
patent: 3744808 (1973-07-01), Hughes
patent: 4270763 (1981-06-01), Rohm
patent: 4352500 (1982-10-01), Blattry et al.
patent: 4362306 (1982-12-01), Rohm
patent: 4506896 (1985-03-01), Jackson et al.
patent: 4725065 (1958-02-01), Hiestand

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