Adjustable focal length eye glasses
First Claim
Patent Images
1. Eyeglasses comprising:
- a pair of eyepieces connected to one another and spaced equidistantly from an axis of symmetry;
a pair of temple pieces each formed with a respective front portion operatively connected to the respective one of the eyepieces and extending axially rearwardly therefrom;
a lens frame formed with a pair of lenses attached to one another and a pair of elongated side rails flanking said pair of lenses therebetween and fixed to the lenses, each of the side rails being slidably received by the respective one of the front portions of the temple pieces in a normal position of the lens frame in which the pair of lenses is secured within the eyepieces; and
an actuator operatively connected to said temple pieces and to said side rails and synchronously moving the lens frame between an extended position thereof in front of the eyepieces and the normal position.
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Abstract
Eyeglasses including a stationary frame and a lens frame mounted slidably on the stationary frame between an initial position in which each of interconnected pair of lenses of the lens frame is secured within a respective eyepiece of the stationary frame and an extended position in which the pair of lenses are in front of the eyepieces, and an actuator linearly displacing the lens frame between the normal and extended positions.
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Citations
15 Claims
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1. Eyeglasses comprising:
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a pair of eyepieces connected to one another and spaced equidistantly from an axis of symmetry; a pair of temple pieces each formed with a respective front portion operatively connected to the respective one of the eyepieces and extending axially rearwardly therefrom; a lens frame formed with a pair of lenses attached to one another and a pair of elongated side rails flanking said pair of lenses therebetween and fixed to the lenses, each of the side rails being slidably received by the respective one of the front portions of the temple pieces in a normal position of the lens frame in which the pair of lenses is secured within the eyepieces; and an actuator operatively connected to said temple pieces and to said side rails and synchronously moving the lens frame between an extended position thereof in front of the eyepieces and the normal position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. Eyeglasses comprising:
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a pair of eyepieces attached to one another; a pair of temple pieces each formed with a respective front portion; a pair of lenses attached to one another, a pair of side rails flanking said pair of lenses therebetween and fixed thereto, each of the side rails being slidably received by the front portion of the respective one of said pair of the temple pieces; a pinion and rack mechanism mounted between the respective one of said pair of the temple pieces and the side rail for axial displacement of the side rails relative to the temple pieces; and a cross axle carrying the pinion on opposite ends thereof for synchronous rotation thereof, the pair of lenses being displaceable between the normal position thereof in which the lenses are secured within the eyepieces and an extended position thereof in front of the eyepieces upon synchronous motion of the side rails.
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15. Eyeglasses comprising:
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a pair of eyepieces connected to one another; a pair of temple pieces each formed with a respective front portion; a pair of lenses, a pair of elongated side rails flanking said pair of lenses therebetween and fixed thereto, each of the side rails being slidably received by the front portion of the respective temple piece; and an actuator formed between a respective one of said pair of the temple pieces and the side rail and including; a pair of rack teething each formed in a respective one of the side rails, a pair of battery-operated gearmotors each received in the interior of the respective temple piece and formed with a respective rotatable shaft, and a pair of worm gears each mounted rotatably fixed on the shaft of the respective gearmotor and engaging the rack teething of the respective side rail to synchronously displace the pair of lenses between the normal position thereof and an extended position in front of the eyepieces, and a programmable controller adapted to controllably operate displacement of the pair of lenses according to a preprogrammed sequence.
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Specification