Geometrical instruments – Area integrators – Electrical
Patent
1977-12-01
1979-03-13
Haroian, Harry N.
Geometrical instruments
Area integrators
Electrical
30289, 30103, 30105, 33 42, B43L 700
Patent
active
041434633
ABSTRACT:
An auxiliary device for laying flexible wall and floor coverings includes an elongated angle plate having a supporting surface for the material to be cut to size and a pressure strip having a lower pressure surface of approximately the same length as the supporting surface and which has a cross-sectional profile which is configured to complement the profile of the supporting surface. The supporting surface has at one end a wedge-shaped end portion, the outer edge of which defines a supporting edge, and a cutting edge defined at its opposite end, which edges lie in a base plane. The angle plate also includes a part having a locating edge disposed parallel to the cutting edge. The angle plate in cross-sections lies substantially within an imaginary triangle, with its cutting edge, supporting edge and locating edge passing through one corner of the triangle. The device is particularly useful in ensuing that the floor and wall coverings are cut cleanly and accurately to the desired size, in a relatively simple manner.
REFERENCES:
patent: 3678586 (1972-07-01), Weber
Collard Allison C.
Galgano Thomas M.
Haroian Harry N.
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