Turning – Process of turning
Patent
1981-07-28
1984-08-07
Vlachos, Leonidas
Turning
Process of turning
408137, 408709, B23B 506
Patent
active
044636334
ABSTRACT:
A portable tool for selectively boring and refinishing one or more seating surfaces (30, 32) of end-loading ball valves. A cutter head assembly 146 bearing a tool bit 190 is translatable in an axial direction through the threaded cooperation of axial adjustment means 72 and the interior surface of a tool housing 68. The bit 190 is radially displacable when desired by the engagement of a radial feed mechanism, the engagement being effected by a bar member 122 selectively movable in a direction parallel to the axis of the tool. A cap 125 cooperates with an essentially flat chord-like portion 120 of the exterior of housing 68 to provide a channel through which the bar member 122 extends. The bit 190 includes the lowermost extremity of the cutter head assembly 146 and, in at least some positions of the bit 190, the greatest radial extremity of the cutter head assembly.
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patent: 4322991 (1982-04-01), Feamster
Kearns Jerry
Vlachos Leonidas
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