Cutting by use of rotating axially moving tool – Machine including plural tools – Plural – simultaneously operational tools
Reexamination Certificate
2007-04-03
2007-04-03
Howell, Daniel W. (Department: 3722)
Cutting by use of rotating axially moving tool
Machine including plural tools
Plural, simultaneously operational tools
C408S053000, C408S095000, C408S234000, C409S235000, C248S638000, C248S678000
Reexamination Certificate
active
10821443
ABSTRACT:
A drilling system includes a stationary base table for supporting a work piece under process at a fixed position at a drilling spindle station. A drilling spindle carries and applies rotational force to a drilling tool. A compound overhead guiding system carries the spindle above the work piece under process. The overhead guiding system includes a Y drive system for moving the spindle along a Y axis in relation to the base table, and an X drive system for driving the spindle along an X axis. The guiding system has a lightweight laminated crossbeam structure for carrying the spindle and X axis drive system.
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1 Page Data Sheet, dated Jun. 1995, in Japanese.
Howell Daniel W.
Roberts Larry K.
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