The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 15, 1997

Filed:

Jan. 30, 1995
Applicant:
Inventors:

Bill Eugene Towers, Belmont, MI (US);

Ladislav Jurik, Brookfield, IL (US);

Richard Larry Weinbrenner, Lemont, IL (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B / ;
U.S. Cl.
CPC ...
408150 ; 408 13 ; 408173 ; 408D / ;
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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