Machine for boring a plate workpiece
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 4, 1986
Grant Date -
N/A
app pub date -
Sep 10, 1981
filing date -
Sep 11, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A machine for boring a hole in a plate workpiece comprises a support, a lower clamp arm carried on this support and having an upper clamp surface adapted to support the workpiece, an upper clamp arm carried on the support and having a vertically displaceable lower clamp surface adapted to press the workpiece down against the upper clamp surface, a lower drill arm pivotal about a horizontal axis on the support and having an outer end provided with an upwardly directed boring tool, and an upper drill arm pivotal about a horizontal axis on the support and having an outer end provided with a downwardly directed boring tool. Respective motors in the support for the machine pivot the arms and rotate the tools.
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Cited Art Landscape
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