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    • 7. 发明授权
    • Sighting systems, components, and methods
    • US11460274B2
    • 2022-10-04
    • US17189052
    • 2021-03-01
    • David J. Dawson, Jr.
    • David J. Dawson, Jr.
    • F41G11/00F41G1/30F41G1/26
    • Sight systems comprise a sight receiver and a base attachable to and detachable from a sight receiver. A base carries a sighting component, such as an iron sight or optic sight. A sighting component may be attachably and detachably mounted to a base, or a sighting component may be made integrally with a base. A base may carry plural sighting components. Sight systems may include plural interchangeable sight receivers, bases, and/or sighting components.
      In some embodiments, interfitting structures at least partially restrain or retain a base and a sight receiver in longitudinal and lateral alignment, with such structures being longitudinally oriented. In some embodiments, interfitting structures at least partially restrain or retain a base and a sighting component in longitudinal alignment and lateral alignment, with such structures being longitudinally oriented. Some embodiments provide a fastener operable with a compatible and/or complementary surface, together used to urge interfitting parts together tightly.