Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Temples
Reexamination Certificate
2001-04-12
2001-11-20
Dang, Hung Xuan (Department: 2873)
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Temples
C351S111000, C351S120000
Reexamination Certificate
active
06318858
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to eyeglass frames, and, more particularly, to adjustments to the distance between a frame arm located in the recess and a wearer's ear. The adjustment may be accomplished by a variable distance, measured from a recess on the device and being perpendicular from the recess to a bottom of the device. The distance varies along an elongated bottom length so as to permit a wearer to select a resting point of the bottom on a wearer's ear at a predetermined desirable height. In addition, the adjustment may be accomplished by breakaway sections on the device.
2. Information Disclosure Statement
Currently eyeglasses are made such that the left arm of eyeglasses and the right arm of eyeglasses are at the same height relative to each other. Adjustments may be made to the arms and the center piece resting upon the nose, to accommodate differences in height of one's ear lobes. However, to those individuals who have a marked difference in the height of the ear lobes, these adjustments prove ineffective in two ways.
First, the adjustments leave room for error both in the height adjustment and in the feel of the eyeglasses. A short interval adjustment in an ophthalmologist or optometrist's office does not allow a wearer of eyeglasses enough time to fully assess the adjustments. When he returns home, the need to readjust the eyeglasses may become evident.
Second, when eyeglasses are extensively twisted through adjustments to the curved back arm, front portions of the arm and the nose piece, the frame becomes less secure. The movement of the frame causes tension on various parts, and may lead to breakage of the frame and/or instability of the frame.
Thus, there is a need for a device which will adjust the height of an arm of eyeglasses so that both sides of the eyeglasses have the same height relative to the face. The present invention solves this need by creating a device which rests on an ear and provides a variable height adjustment. Since the device operates essentially independently of adjustments to the frame arm, the life of the eyeglasses will be prolonged. The present invention further allows for adjustment to height of the arms outside of an ophthalmologist or optometrist's office, at a time convenient for the wearer.
Thus, the present fulfills a need and the present invention system is neither taught nor rendered obvious by prior art.
SUMMARY OF THE INVENTION
The present invention is a device for adjusting height of an arm of an eyeglasses frame relative to a wearer's ear, which includes a main element and a locking element. The main body has a top, sides, a back and a bottom, as well as a recess located at the top and adapted to receive a frame arm. In addition, the main body has height adjustment means adapted to adjust distance between a frame arm located in the recess and a wearer's ear.
The locking element is adapted to attach to the top of the main element so as to hold a frame arm in the recess of the main element when a frame arm is located therein. The locking element includes one of a male component and a female component of an interconnecting attachment means which attaches the main element sides to the other of the male component and the female component. The locking element may be a snap-on clip.
The main element height adjustment means is created by having a bottom length which is elongated over the bottom of the main element, and a distance, measured from the recess and being perpendicular from the recess to the bottom. The distance varies along the bottom length so as to permit a wearer to select a resting point of the bottom on a wearer's ear at a predetermined desirable height.
An alternative embodiment main element height adjustment means includes a plurality of segments which may be selectively removed to adjust distance between the recess and the main element bottom. The locking element in this embodiment is attached on the segments which have not be removed.
In a preferred embodiment of the present invention, the main element recess is substantially horizontal, while the bottom is non-horizontal. Moreover, an acute angle is formed between the recess and the bottom. The main element back is curved downwardly at least in part, to accommodate a curved end of a frame arm.
In another embodiment of the present invention, the main element is rectangular-shaped and includes a U-shaped aperture for receiving a curved end portion of eyeglasses. In this embodiment, the height adjustment means is the plurality of removable sections.
The main element and the locking element are made of hypoallergenic material, which includes a hypoallergenic plastic.
REFERENCES:
patent: 4389102 (1983-06-01), Piampiano
Dang Hung Xuan
Glynn Kenneth P.
Meagher Deirdra M.
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