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:
Apr. 11, 2006
Filed:
Nov. 21, 2002
Billy J. Shaver, Denver, CO (US);
Randy R. Busby, Lakewood, CO (US);
James S. Carter, Denver, CO (US);
Billy J. Shaver, Denver, CO (US);
Randy R. Busby, Lakewood, CO (US);
James S. Carter, Denver, CO (US);
Specmaster Inc., Denver, CO (US);
Abstract
A case knife (), generally consists of a pair of substantially symmetrical handle shells (). A single edge razor blade B is removably supported in one end of the handle formed by these handle shells. Each handle shell includes two moving parts—a guard () and a thumb or finger operable button (). Each such guard, when paired with a substantially identical guard of the other handle half shell, flanks the otherwise protruding sharp edge of the razor blade. Each guard can move independently to expose a protruding corner of the razor blade. The operable button is mounted on an axle or lug () that passes from the inside of a handle shell, through to its outside surface. This axle is in turn fixed to a cam follower () mounted on the inside of each shell.