Abrading – Precision device or process - or with condition responsive... – Computer controlled
Reexamination Certificate
2005-06-07
2005-06-07
Eley, Timothy V. (Department: 3724)
Abrading
Precision device or process - or with condition responsive...
Computer controlled
C451S049000, C451S062000, C451S121000, C451S142000, C451S166000, C451S236000, C451S251000
Reexamination Certificate
active
06902465
ABSTRACT:
A grinding machine uses a conical grinding wheel (10) to create a non-circularly symmetric surface (defining, for example, a re-entrant cam) on a workpiece. The machine is operable to rotate such a workpiece about a first axis (5) and the machine has drive means for rotating the conical wheel about a second axis (14). A feeding mechanism brings the wheel into contact with the workpiece to define a line of grinding where the wheel contacts the workpiece (i.e. a cutting line). In use, a rocking movement is imparted to the wheel and spindle relative to the workpiece as the latter rotates so as to maintain the orientation of the cutting line relative to the first axis and of the second axis relative to the cutting line.
REFERENCES:
patent: 4897964 (1990-02-01), Vetter
patent: 6200200 (2001-03-01), Himmelsbach
patent: 6390892 (2002-05-01), Klicpera
patent: 6561882 (2003-05-01), Mizutani et al.
patent: 6685536 (2004-02-01), Junker
patent: 019813165 (1999-10-01), None
Eley Timothy V.
Reising Ethington Barnes Kisselle P.C.
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