FIELD: machine building.
SUBSTANCE: chuck comprises bushing and push rod arranged in bushing. On front end of bushing elastic clamping element is made. Push rod for elastic element unclamping. At that, part of engagement is made at end of clamping element outer circumference, extending outward from its outer circle. Push rod and bushing are stationary in circumferential direction, inner end of pushing rod is connected to power element. Outer end of pushing rod under action of power element extends outward from bushing front end or into it, wherein part of engagement forms annular shoulder on outer circumference of bushing front end, and on pushing rod front end there are several mounting projections.
EFFECT: reliable connection between clamping chuck and processed part.
10 cl, 3 dwg
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