Geometrical instruments – Straightedge type – Wall guide and plumb
Patent
1980-01-18
1981-08-04
Haroian, Harry N.
Geometrical instruments
Straightedge type
Wall guide and plumb
G01C 1510
Patent
active
042814642
ABSTRACT:
A device providing a guide to facilitate the laying of masonry units having side faces and a top surface to form a wall or the like. The device includes a plurality of clamping members for engaging the side faces of masonry units of a previously laid row or course with said clamping members providing a support for a rigid guide unit. The guide unit constitutes a straight edge against which masonry units may be positioned during the laying of a row or course of said units, whereby said units will be flush and level throughout said row or course, and in vertical alignment with the units of previously laid courses or rows.
REFERENCES:
patent: 1054635 (1913-02-01), Cagnassi
patent: 1092058 (1914-03-01), Knott et al.
patent: 2629177 (1953-02-01), Zinken
Hession Brent M.
Hession Rodney J.
Haroian Harry N.
Hession Industries, Inc.
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