Apparatus and method for centering a workpiece on a machine...

Details Apparatus and method for centering a workpiece on a machine... Apparatus and method for centering a workpiece on a machine...

2007-11-20

2007-11-20

Ross, Dana (Department: 3722)

Metal working

Method of mechanical manufacture

Assembling or joining

C409S221000, C409S242000, C409S131000, C082S148000, C029S02700R

Reexamination Certificate

active

11668551

ABSTRACT:
A method is provided for centering a workpiece on a metal shaping machine. First and second guide plates have respective first and second aligned bores therein for supporting a centering pin mounted therein for axial movement between a retracted position and a use position. At least one spring is engaged with the centering pin for exerting a predetermined axial bias against the centering pin in the direction of the workpiece for urging the centering pin into the use position. The centering pin is locked in the use position during the operation of the machine on the workpiece.

REFERENCES:
patent: 3797175 (1974-03-01), Nicolaus et al.
patent: 3810310 (1974-05-01), Morgan
patent: 4033210 (1977-07-01), Swenson
patent: 6068541 (2000-05-01), Dwyer
patent: 6607114 (2003-08-01), Reser et al.
patent: 6827631 (2004-12-01), Tomotaki et al.
patent: 2003/0232584 (2003-12-01), Tomotaki et al.
patent: 2055641 (1981-03-01), None

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