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:
Aug. 15, 2000
Filed:
Nov. 25, 1998
Bryan M McGovern, Kenosha, WI (US);
Glenn A Kaufman, Kenosha, WI (US);
Snap-on Tools Company, Kenosha, WI (US);
Abstract
An interference fit joint is provided and includes a first member having a plurality of internal splines separated by valleys and defining a splined aperture having a first axis. Each of the internal splines has a crest and first and second internal sides and is symmetrical about a plane which includes the first axis. This joint also includes a second member having a second axis and an exterior surface having a plurality of external splines separated by valleys and engageable with the internal splines to form an interference fit therebetween. Each of the external splines has a crest and first and second external sides and is symmetrical about a plane which includes the second axis. The first and second external sides are respectively shaped differently from and engageable with first and second internal sides of adjacent internal splines, there being no engagement at the crests and valleys. An indexable head ratchet wrench employing the joint is also disclosed.