Geometrical instruments – Straightedge type – Plural straightedges – relatively moveable
Patent
1992-04-08
1993-04-27
Cuchlinski, Jr., William A.
Geometrical instruments
Straightedge type
Plural straightedges, relatively moveable
33DIG20, 33426, 33472, B43L 712, B43L 1300
Patent
active
052050459
ABSTRACT:
A tile cutting gauge comprises mainly a semi-circular protractor and a guide rod pivotally fastened to the protractor. A length ruler is slidably mounted on the straight side of the protractor, while a baffle means is slidably mounted to the guide rod in such a manner that it can be moved upward, downward, leftward, and rightward. The desired length and angle of the tile intended to be cut are measured respectively by means of the length ruler and the guide rod. The tile intended to be cut is held securely by the length ruler and a baffle means so as to permit an operator to make a cutting mark on the tile along the guide rod.
REFERENCES:
patent: 1039901 (1912-10-01), Constantinescu
patent: 1619091 (1927-03-01), Rieser
patent: 1894886 (1933-01-01), Paskowski
patent: 2423786 (1947-07-01), Morris
patent: 2435529 (1948-02-01), Brockley
patent: 2580263 (1951-12-01), Wooten
patent: 2770043 (1956-11-01), Kwiencinski
patent: 3103747 (1963-09-01), De La Sierra
patent: 3183598 (1965-05-01), Parr
patent: 3718980 (1973-03-01), Poulos
Cuchlinski Jr. William A.
Fulton C. W.
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