Geometrical instruments – Gauge – Conformator or adjustable curve template
Patent
1990-03-15
1991-05-14
Haroian, Harry N.
Geometrical instruments
Gauge
Conformator or adjustable curve template
G01B 520
Patent
active
050144413
ABSTRACT:
An angle measuring apparatus (10) for determining the angular orientation of the external surface of an article (100) relative to a known reference plane wherein the apparatus (10) includes two separable housing members (15) (16) having indicia (20) (20') representative of angular orientations with regard to the horizontal and vertical planes respectively wherein the housing members (15) (16) slideably surround a stack (40) of slideable strips (41) bearing discrete markings (42); whereby the strips will conform to the surface of an article (100) such that the discrete markings (42) will produce a visual indication of the angular disposition of the article surface relative to a known reference plane; and wherein at least one of the housing members (15) is provided with a transparent sealed chamber (70) which is operatively associated with the indicia (20') for giving a visual indication of the angular orientation of the housing member (15).
REFERENCES:
patent: 787142 (1905-04-01), Barnett
patent: 2022628 (1935-11-01), Whitney
patent: 2266457 (1941-12-01), Wolff
patent: 2584917 (1952-02-01), Powell
patent: 2669029 (1954-02-01), Ries
patent: 2759271 (1956-08-01), Von Duyke
patent: 2821792 (1958-02-01), Marzani
patent: 4715124 (1987-12-01), Hamington
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