Geometrical instruments – Apparel – Laying out
Patent
1994-12-14
1995-12-26
Fulton, Christopher W.
Geometrical instruments
Apparel
Laying out
33 1B, 33121, G06C 300, G06G 116
Patent
active
054776171
ABSTRACT:
A carpet measurement tool comprising a rigid rectangular plate having an upper surface, a lower surface, a pair of opposed long edges, and a pair of short edges extended therebetween; a distance ruler with a set length and scaling disposed on the upper surface of the plate near one long edge, the distance ruler a plurality of equally spaced tick marks disposed thereon; a composite ruler having a scaling equal to the distance ruler and disposed near the other long edge, the composite ruler including a plurality of sub-rulers positioned in a stacked relation, each sub-ruler aligned with the distance ruler, each sub-ruler having tick marks disposed thereon to thereby create a plurality of measuring bars with the measuring bars of each sub-ruler corresponding to a characteristic carpet type having a given breadth; and a set of columns disposed between the distance ruler and the composite ruler, each column having a scaling equal to the distance ruler and composite ruler, each column identifying a characteristic carpet type and breadth, each column bearing a sequence of numbers thereon and with each number representing an areal dimension of a characteristic carpet type and breadth as cross-correlated to a measured distance as provided from the distance ruler.
REFERENCES:
patent: 652722 (1900-06-01), Mitchell
patent: 2747795 (1956-05-01), Kreuttner
patent: 4659409 (1987-04-01), Arafat
patent: 4827621 (1989-05-01), Borsuk
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