To provide a concave mirror holding structure capable of suppressing deformation due to thinness even in a thin concave mirror.SOLUTION: In a concave mirror holding structure 100, a concave mirror 22b is supported partially in contact with a cover 101. A plate 102 is fixed in surface contact with a part of a back surface of the concave mirror 22b. Since the plate 102 has a free-form surface same as that of the concave mirror 22b, the concave mirror 22b can be supported and reinforced by the surface. The cover 101 and a holder 104 are fixed by sandwiching the concave mirror 22b, and between the plate 102 and holder 104, an elastic member 103 is placed, ad the holder 104 is fixed to the cover 101 in a state where the elastic member 103 is elastically deformed.SELECTED DRAWING: Figure 3

    【課題】薄い凹面鏡であっても、薄さに起因した変形を抑制することができる凹面鏡保持構造を提供する。【解決手段】凹面鏡保持構造100では、凹面鏡22bはカバー101に部分的に接触して支持される。さらにプレート102は、凹面鏡22bの裏面の一部に面接触して固定される。プレート102は、凹面鏡22bを同じ自由曲面を有するので、凹面鏡22bを面で支持して補強することができる。また凹面鏡22bを挟んで固定するのは、カバー101とホルダ104であるが、プレート102とホルダ104との間には弾性部材103が設けられ、弾性部材103が弾性変形した状態でカバー101にホルダ104が固定される。【選択図】図3


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    Title :

    CONCAVE MIRROR HOLDING STRUCTURE


    Additional title:

    凹面鏡保持構造


    Contributors:

    Publication date :

    2021-10-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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