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:
May. 31, 2005
Filed:
Jun. 11, 2001
Maurice William Slack, Edmonton, CA;
Trent Michael Victor Kaiser, Calgary, CA;
Maurice William Slack, Edmonton, CA;
Trent Michael Victor Kaiser, Calgary, CA;
Tesco Corporation, Calgary, CA;
Abstract
A shoulder ring () for installing in the J-space between the installed pin ends within a coupling collar is taught having a body with a central opening therethrough, a first end face () on the body, an opposite end face () on the body, an inner surface () adjacent the central opening and extending between the first end face and the opposite end face and an outer surface () extending between the first end face and the opposite end face, the body having a substantially uniform cross sectional shape between the first end face, the opposite end face, the inner surface and the outer surface and the ring shaped such that its radius to the outer surface varies around the outer surface circumference to form a plurality of lobes ().