Turning – Lathe – Having facing tool fed transverse to work
Reexamination Certificate
2005-03-08
2005-03-08
Fridie, Jr., Willmon (Department: 3722)
Turning
Lathe
Having facing tool fed transverse to work
C082S130000, C082S070200, C082S138000
Reexamination Certificate
active
06862967
ABSTRACT:
The invention is a new boring unit for complex parts, including a fixing pin, suitable for holding the piece in its hole, and two concentric cylinders coaxial with the pin that are set rotating in the same direction by two electric motors. The inner cylinder is provided, at its end facing the grip of the pin, with a conical toothing, and the outer cylinder is provided, at its end facing the grip of the pin, with a tool-holder with radial translation mechanisms of the tools and a bevel gear wheel meshing with the conical toothing of the inner cylinder and connected with the radial translation mechanism of the tools. The radial translation of the tools is obtained by rotating the cylinders at different speeds by means of the electric motors, that is, by generating a relative motion between them.
REFERENCES:
patent: 4430913 (1984-02-01), Williamson
patent: 4706351 (1987-11-01), Chuang
patent: 6772659 (2004-08-01), Antoni et al.
Fridie Jr. Willmon
Harrison & Egbert
MEI S.r.l.
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