Optical: systems and elements – Lens – With viewed object support
Patent
1992-09-29
1994-05-10
Kwon, John T.
Optical: systems and elements
Lens
With viewed object support
359805, G02B 2702
Patent
active
053113659
ABSTRACT:
A combination tool providing an ability to inspect a gem or an item of jewelry under magnification for viewing, appraising and identification of flaws. The combination tool is lightweight, portable, and can easily be held and used with one hand. The tool includes a pair of opposing and pivoting assemblies. One of the opposing assemblies is used to support a magnification device such as a jeweler's loupe or a gemologist's loupe. The loupe may be releasably attached to the assembly or fixed in place on the assembly. The other opposing assembly is used to releasably hold a gem or item of jewelry under magnification. The combination tool provides the ability to vary the view through the magnification device and the item under inspection by either telescoping and swiveling the assembly holding the loupe or telescoping and swiveling the assembly holding the gem or item of jewelry.
REFERENCES:
patent: 1059868 (1913-04-01), Harrison
patent: 1120421 (1914-12-01), Strickland
patent: 1216209 (1917-02-01), Callahan
patent: 1269321 (1918-06-01), Schwarz
patent: 1278995 (1918-09-01), Petro
patent: 1765366 (1930-06-01), Crater
patent: 1842403 (1932-01-01), Hunsaker et al.
patent: 2070798 (1937-02-01), Mason
patent: 2117134 (1938-05-01), Bissell
patent: 2387054 (1945-10-01), Brustolon
patent: 2435741 (1948-02-01), Fleenor
patent: 2533747 (1950-12-01), Thienemann
patent: 3510204 (1970-05-01), Jack
patent: 4071174 (1978-01-01), Weiner
patent: 4072407 (1978-02-01), Zeisky
patent: 4147411 (1979-04-01), Barry
patent: 4836596 (1989-06-01), Owen
Agnew Richard
Klearman Hayley M.
Crabtree Edwin H.
Kwon John T.
Margolis Donald W.
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