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:
Jan. 02, 2007
Filed:
Sep. 02, 2004
Robert C. Kruse, Churchville, NY (US);
David J. Revelle, Rochester, NY (US);
Robert C. Kruse, Churchville, NY (US);
David J. Revelle, Rochester, NY (US);
Davenport Machine, Inc., Rochester, NY (US);
Abstract
An improved method of holding a key () in a keyway () includes the steps of: forming an elongated keyway in the member, the member having at least one sharp corner () facing into the keyway adjacent either end thereof; forming a key () to fit in the keyway, the key being so dimensioned, proportioned and configured that the part of the key immediately adjacent each sharp corner will be recessed with respect to the surface of the member at the corner; placing the key in the keyway; and plastically deforming portions () of the member at the sharp corners into the keyway so as to permanently hold the key in the keyway.