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. 29, 1985
Filed:
Aug. 31, 1982
Stanley Ruff, New Rochelle, NY (US);
Other;
Abstract
A plasterboard trimming tool includes a main support element that consists of two parallel arms interconnected by a web and having lateral guiding surfaces which face one another and confine the marginal portion of the plasterboard between themselves in operation. A transverse guiding surface is provided on the web itself and/or an auxiliary support element which is selectively mountable on the web. A pair of cutting blades is mounted in respective holders at the same distance from the transverse guiding surface, the cutting blades having respective cutting edges which partially penetrate into the plasterboard to form continuous straight scoring cuts therein across the plasterboard from one another. The position of the auxiliary support element on the web can be reversed. The auxiliary support element has elongated sections of different thicknesses extending along the web, so that the distance of the scoring cuts from the edge face can be changed by reversing the position of the auxiliary support element. The auxiliary support element has a wedge-shaped leveling zone which levels the edge face of the plasterboard after the marginal portion of the same has been broken away along the scoring cuts. The auxiliary support element is of a flexible material and has an abutment section which is rigid with one of the elongated sections and prevents removal of the auxiliary support element from the web unless the one elongated section is deflected.