Geometrical instruments – Gauge – Flooring – floor or wall covering – or molding
Patent
1987-12-14
1988-12-27
Martin, Jr., William D.
Geometrical instruments
Gauge
Flooring, floor or wall covering, or molding
33518, 33567, G01B 514
Patent
active
047930683
ABSTRACT:
A spacer for use in aligning and spacing tiles relative to each other, the spacer being cross-shaped, T-shaped, or bar-shaped, with four, three or two arms, respectively, each arm of which, in cross-section, is provided with a lower surface of tapered or contoured configuration to provide a surface in contact with the adhesive on the supporting surface of smaller area than the total arm area. The opposing vertical edges of the arms, which are in contact with the sides of the tiles are narrow in height and, while providing the desired spacing between tiles, provides a narrow area of contact between the arm and the tile to minimize frictional engagement between the abutting surfaces. At the juncture of the arms, there is provided an upwardly extending rod-like projection which serves as a handle to facilitate removal. Due to the tapered sidewalls of the arms, with the centrally and upwardly disposed handle member, a gentle rocking motion may be employed to loosen the spacer from the adhesive to facilitate removal, with the narrow edge surface of the arms in contact with facing sides of the tile providing a minimum amount of frictional resistance to withdrawal.
REFERENCES:
patent: 2930135 (1960-03-01), Rodtz
patent: 3735497 (1973-05-01), Boettcher
Martin, Jr. William D.
Roberts Edward E.
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