Optical: systems and elements – Lens – With support
Patent
1996-08-27
1998-02-17
Ben, Loha
Optical: systems and elements
Lens
With support
359820, 359523, 396 71, 396448, 396530, G02B 702
Patent
active
057197113
ABSTRACT:
A lens barrel for holding an assembly or group of lens elements is molded as an integral member from a thermoplastic resin material such as polycarbonate, and at least two of the lens elements have different diameters. The lens barrel includes an outer cylindrical wall portion having a uniform diameter and a uniform wall thickness, and a lens holder portion integrally extending from an inner surface of the outer cylindrical wall portion. The lens holder portion is formed in accordance with the different diameters of the lens elements such that wall thickness is substantially uniform.
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patent: 5177641 (1993-01-01), Kobayashi
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Asahi Kogaku Kogyo Kabushiki Kaisha
Ben Loha
LandOfFree
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