High speed lathe chuck

Details High speed lathe chuck High speed lathe chuck

1997-08-29

1999-04-20

Pitts, Andrea L.

Chucks or sockets

Pivoted jaw

279106, 279107, 279109, 279127, 279141, B23B 522

Patent

active

058950591

ABSTRACT:
A lathe chuck assembly is configured for high-speed turning operations. The assembly includes a riser adapter and a yolk plate movably connected with respect to the riser adapter. First, second and third cam arms are connected to the yolk plate for grasping a workpiece for turning operations. Each cam arm includes a cam slot formed therein. A face plate is mounted to the riser adapter. The face plate includes first, second and third cam arm openings formed therein for receiving cam pins for cooperation within the respective cam slots. The face plate includes a locally thickened cross-sectional area surrounding each cam arm opening for added structural integrity and a plurality of locally thinned cross-sectional areas spaced across the face plate for weight reduction. A web structure of substantially uninterrupted cross-sectional thickness is provided for structural integrity at high rotational speeds.

REFERENCES:
patent: 1881905 (1932-10-01), Page et al.
patent: 3016245 (1962-01-01), Zelewsky
patent: 4243237 (1981-01-01), Rohm
patent: 5253880 (1993-10-01), Won

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