Eyeglasses with a fixed frame and a rotatable frame
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United States of America Patent
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Sep 4, 2018
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app pub date -
Aug 29, 2017
filing date -
Aug 29, 2017
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Abstract
Rotary eyeglasses comprise a fixed frame bearing a nose abutment and means for holding the eyeglasses on the head, and a movable frame comprising optical members in front of the eyes, when the eyeglasses are in an operational position, wherein the movable frame is secured to the fixed frame by a multi-lever mechanism and is configured to be lifted up relative to the fixed frame and simultaneously to be rotated about its longitudinal axis owing to hinges located in points of securing the levers to the frames. The invention may be used in eyeglasses having positive lenses including reading eyeglasses, and also in protective eyeglasses of different types including sunglasses. The invention allows lifting lenses over the user's forehead, and thus facilitates looking either through lenses or beside lenses, and allows preventing contact between the inner surface of the lenses and the forehead, and thus avoiding contamination of the lenses.
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