Radial feed facing head for boring bar

Turning – Portable lathe for pipe turning

Reexamination Certificate

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Details

C082S001400, C408S080000, C408S102000, C408S138000, C408S181000

Reexamination Certificate

active

07069829

ABSTRACT:
A portable boring/facing machine using a single drive motor for rotating a boring bar and for either axially translating a cutting head assembly along the bar or radially moving the blade of the cutting head assembly using a lead screw. The machine utilizing two mounting brackets is attachable to the workpiece for alignment with the workpiece.

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patent: 4652186 (1987-03-01), Sverdlin
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patent: 4932814 (1990-06-01), York
patent: 5030041 (1991-07-01), Marron
patent: 5183365 (1993-02-01), Silk
patent: 5642969 (1997-07-01), Strait
patent: 6447220 (2002-09-01), Ricci et al.
patent: 6705185 (2004-03-01), Bruggemann

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