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.
Patent No.:
Date of Patent:
Oct. 29, 2002
Filed:
Jun. 07, 2001
Michael E. Ward, Geneva, IL (US);
Gary D. Porter, Lancaster, WI (US);
Illinois Tool Works, Glenview, IL (US);
Abstract
A thread tapping machine for tapping female threads into a series of associated articles that are held in an associated stationary fixture includes a housing mounted for reciprocating movement toward and away from the stationary fixture. The housing is rotationally fixed. A spindle is carried by the housing for reciprocating movement therewith and for rotational movement within the housing. A shank is carried by the spindle and is configured for rotational and reciprocal movement with the spindle. The shank has a flute tap section, an elongated shank body, a transverse section opposite the flute tap and a bent section between the transverse section and the elongated body. The housing is moved toward and into contact with a first of the series of articles with the spindle rotating so that the flute tap section engages the article to form a thread therein. When the article is released from the fixture, in conjunction with the housing reciprocating away from the fixture, the article is urged along the shank, away from the flute tap section to and around the bent shank and ejected therefrom.