Geometrical instruments – Straightedge type – Plural straightedges nonadjustably fixed at right angles
Patent
1991-12-26
1993-04-20
Haroian, Harry N.
Geometrical instruments
Straightedge type
Plural straightedges nonadjustably fixed at right angles
33646, 33 42, 33 33, G01B 330
Patent
active
052030903
ABSTRACT:
A tool and method for making a longitudinal mark on, or cut through, a piece of siding. The tool includes an upper plate portion and a lower plate portion, with a step therebetween, which is adapted to fit onto a piece of siding having an upper panel and a lower panel, with a ridge therebetween. The upper and lower plate portions each have a series of openings in predetermined locations along the length of the tool. The tool is used by engaging the step with the ridge of the piece of siding, such that the upper plate portion of the tool is located against the upper panel of the siding and the lower plate portion of the tool against the bottom panel of the siding. A pencil is placed through a selected one of the openings, and the tool and pencil are then moved along the siding while maintaining the step in engagement with the ridge. The ridge of the siding is thus used as a guide in making a longitudinal mark on the siding. Alternatively, the blade of a utility knife or the like can be placed through a selected one of the openings and through the siding, to make a longitudinal cut in the siding by moving the tool and the knife simultaneously along the siding.
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Bouska Bill R.
Sevey Douglas L.
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