Chucks for machine tools, such as lathes and grinding machines

Details Chucks for machine tools, such as lathes and grinding machines Chucks for machine tools, such as lathes and grinding machines

1975-01-20

1977-01-04

Vlachos, Leonidas

Chucks or sockets

Radially reciprocating jaws

Wedge actuated

B23B 3116

Patent

active

040009076

ABSTRACT:
The invention provides a chuck for a machine tool, the frame of the chuck having mounted thereon clamping jaw guides supporting jaws for gripping a workpiece or a tool. An axially displaceable central cam support is disposed in the frame and can cooperate with the clamping jaw guides to displace the same radially. The cam support comprises pivots having double lateral flats forming radially projecting male ramps fitting inside corresponding female guide ramps formed in the clamping jaw guides. Advantageously the clamping jaw guides are mounted on the frame to slide between radial shims and means are provided to retain the shims against the clamping jaw guides.

REFERENCES:
patent: 948449 (1910-02-01), Hurlbut
patent: 1219083 (1917-03-01), Church
patent: 3515400 (1970-06-01), Jendry

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