Patent 7273026 was granted and assigned to MacLean-Fogg (company) on September, 2007 by the United States Patent and Trademark Office.
The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity includes a second inner surface configured to house an inner body, and the transition opening links the first cavity with the second cavity; and at least one of the cavities is fabricated through forging.