Apparatus for drilling variable size holes in bowling ball
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United States of America Patent
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-
Jul 15, 1997
Issued Date -
N/A
app pub date -
Jan 30, 1995
filing date -
Nov 14, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bowling ball drilling apparatus for drilling variable size holes includes a table having an upwardly opening ball supporting pocket. A boring apparatus is mounted below the table for reciprocation in a generally vertical direction in a path intersecting the pocket. A carriage moves the boring apparatus in the path. The boring apparatus has an output shaft rotatable about a vertical axis. An adjustable boring head is connected to the output shaft for rotation therewith, the boring head receiving a boring tool and being variable adjusted to offset the boring tool horizontally relative to the vertical axis so that the boring tool orbits about the vertical axis to produce a variable size hole in the bowling ball dependent on an amount of the offset.
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