Roof square with blade locking and release mechanism
OwnerSean Roger Michael Pepperinventor
Life of this patent
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Abstract
A roof square for marking rafters comprising a right angle triangular body with a marking blade pivotally mounted adjacent the right angle. Either side of the square adjacent the right angle is held against the stock to be marked, and the blade used to mark either a plumb cut or a foot cut. The blade retracts to allow marks to be made at a measured depth. The tool can also be used as a conventional square to make 90 and 45 degree marks.
Claims10
A tool for marking rafters, comprising a body with a top layer, a bottom layer, a first plumb side and a second foot side disposed at 90 degrees to the first plumb side, and a marking blade pivotally mounted to a pivot pin proximal a vertex of the first and second sides, wherein the marking blade passes between the top layer and the bottom layer.
Dependencies are inferred from the claim text.