Centering process in chucking work and apparatus therefor

Details Centering process in chucking work and apparatus therefor Centering process in chucking work and apparatus therefor

2011-01-04

2011-01-04

Bryant, David P (Department: 3726)

Chucks or sockets

With centering means

C279S128000, C279S137000, C269S008000, C269S056000, C269S057000

Reexamination Certificate

active

07862050

ABSTRACT:
A process and apparatus for centering accurately and speedy a workpiece on a magnet chuck mounted on a work spindle. A pair of action pads spaced away from one another comes into engagement with the workpiece attracted to the work spindle, thereby performing the centering operation. The action pads are mounted on a support plate that can freely turn on a fulcrum. As the fulcrum makes head towards a rotational center of the magnet chuck, the action pads comes into abutment in a rocking manner against the workpiece that is held at off-center relation in the chuck, thereby compensating the off-center relation to keep a center of the workpiece in alignment with the rotational center of the chuck.

REFERENCES:
patent: 10-43985 (1998-02-01), None
patent: 2002-260293 (2002-09-01), None
patent: 2002-337012 (2002-11-01), None
patent: 2002337012 (2002-11-01), None
patent: 2003-157589 (2003-05-01), None
patent: 2003157589 (2003-05-01), None

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