Geometrical instruments – Gauge – Circular size
Patent
1996-03-07
1997-11-11
Will, Thomas B.
Geometrical instruments
Gauge
Circular size
33520, 33562, G01B 338, G01B 508
Patent
active
056850859
ABSTRACT:
A diameter-measuring gauge for measuring the diameter of rods, pipe and the like comprised of a thin panel having a V-shaped recess formed in one of its side edges. The recess extends through the panel which carries a plurality of oppositely disposed shoulders along opposite recess-defining portions of the panel, the distance between said opposed shoulders being one of the standard diameters of rods, pipe, or the like. The distance between the shoulders of each pair is less than the distance between the shoulders of the adjacent outwardly disposed pair. Suitable indicia is carried at the surface of the panel to appropriately indicate the diameter of a rod or the like, which bears against the adjacent pair of shoulders. The gauge is simple, easy to use, and highly practical. In addition, it is inexpensive to manufacture and, as a consequence, is readily adaptable for use as a give-away advertising item, as well as a standard item in a worker's tool box.
REFERENCES:
patent: 741146 (1903-10-01), Labofish
patent: 1275802 (1918-08-01), Wallace
patent: 1377288 (1921-05-01), Williams
patent: 1389486 (1921-08-01), Brewer
patent: 1493465 (1924-05-01), Burden
patent: 1553961 (1925-09-01), Pryce
patent: 2463127 (1949-03-01), Tallaksen et al.
patent: 2678498 (1954-05-01), Rimmel
patent: 2896333 (1959-07-01), Kivela
patent: 4356636 (1982-11-01), Roberts
patent: 4567670 (1986-02-01), Rouistone
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