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:
May. 06, 1980
Filed:
Oct. 19, 1978
Robert F West, West Simsbury, CT (US);
The Stanley Works, New Britain, CT (US);
Abstract
A metric rafter square has a body and tongue with lengths of at least 300 mm and 400 mm respectively and scales along their outer edges in millimeters. A rise per meter table on the body includes a series of entries which cooperates with a rise per meter scale disposed along the tongue and pivot points disposed along the body. The rise per meter scale on the tongue is cooperatively compressed and has graduations and a series of numerical values along its length for the graduations which are greater than the actual values represented by the unit length of the scale designated thereby. These values on the scale cooperate with the values set forth in the rise per meter table to establish the required angle between the preselected pivot points on the body and cooperative points on the rise per meter scale determined from the rise per meter table. Methods are disclosed for the use of the metric square in the scribing of framing members with the appropriate lines to establish lengths and desired angles for end and side cuts.