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:
Sep. 18, 1979
Filed:
Sep. 30, 1977
Richard Gilbert, Dronfield, GB;
Stanley Tools Limited, Sheffield, GB;
Abstract
A cutting tool for sheet material, especially for opening cardboard cartons, has a disposable blade removably fixed to a handle and a guide member of bent wire also fixed to the handle for keeping the blade in cutting engagement with the sheet material and away from the contents of the cartons. A nose of the guide member is rounded to avoid damaging the carton contents and projects ahead of the cutting edge of the blade. One arm of the guide member is above the blade tip so as to keep the blade from disengagement from the sheet material. Another arm of the guide member is below the tip of the blade for preventing cans or other cartons contents from being cut by the blade. A hard point is provided for puncturing cartons which are too tough to be punctured by the rounded nose of the guide member.