Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Continuous rim mounting
Patent
1995-06-19
1996-12-17
Mai, Huy
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Continuous rim mounting
G02C 100, G02C 502, G02C 500
Patent
active
055858694
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to spectacles, wherein both lenses are respectively placed in openings of a frame having an upper and a lower frame part and which is furthermore provided with hinges for bending the bows disposed on the frame parts.
SUMMARY OF THE INVENTION
It is an object of the present invention to design spectacles of this type in such a way that they have advantageous flow properties, i.e. that an airflow striking them (for example when riding in a convertible, or in sports) is deflected in the most advantageous manner.
This object is attained in accordance with the present invention in that the openings are embodied with large surfaces and are oblong, and that the respectively upper frame part as well as the lower frame part can be resiliently widened with respect to each other and are constituted by respectively two frame sections which can be bent toward each other by means of a hinge, wherein the hinges provided at the upper frame part or the lower frame part can each be rotated around the same axis of rotation, so that each opening has two flat parts which can be bent against each other, of which at least the center one can be covered by a lens each, and that the bows are disposed on the outer bendable frame sections.
Altogether, the spectacles provide--in the bent-open state--an very large cover not only for the eyes, but also for the adjoining area toward the back. This is made possible in that the openings intended for receiving the lenses are designed to be elongated and that the break for making the bows bendable by means of the hinges already takes place on the top and bottom inside the frame parts. It is then possible to arrange two lenses in each opening which are bent toward each other when the spectacles are bent. However, it is also possible to dispose only one lens or an interference guide piece within the frame. Installation or removal of the lenses is made easier in that the frame parts which surround these oblong, large-surface, elongated openings can be resiliently widened, so that the lenses can be easily installed between frame or strip parts or hooks. The advantageous further developments relate particularly to the attachment of a further flow guide piece in the center of the spectacles between the lenses. An advantageous further development relates to a novel way of lens installation by means of a specially designed clamping insert.
An exemplary embodiment of the invention and its advantageous further developments will be described in detail below by means of the attached drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1, is a schematic representation of the spectacles, unrolled into a plane;
FIG. 2, is a perspective view of the spectacles;
FIG. 2a, is an enlarged detail view of at IIa in FIG. 2;
FIG. 3, shows one half of the spectacles with associated lenses 15, 16 in a pulled-apart view,
FIG. 3a, show details of a hook 21;
FIG. 4, is a section taking along the line IV--IV in FIG. 2;
FIG. 5, is a view in the direction of the arrows V--V in FIG. 4;
FIG. 6, is an outer, rear partial area of the opening 2 of the spectacles in accordance with FIGS. 1 and 2;
FIG. 6a, is a detail view a lens, which is installed in FIG. 6;
FIG. 7, shows a resilient clamping insert;
FIG. 8, is a view in the direction of the arrows VIII--VIII in FIG. 7;
FIG. 9, is a section taken along the arrows IX--IX in FIG. 8;
FIG. 10, is a view in the direction of the arrows X--X in FIG. 9;
FIG. 11, shows a flow guide piece 60;
FIG. 11a, shows a section taken along the line XIa--XIa in FIG. 11;
FIG. 12, is a view in the direction of the arrows XII--XII in FIG. 11; and
FIG. 13, is a section taken along the line XIII--XIII in FIG. 12.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
As can best be seen from FIG. 1, the spectacles are shown unrolled or opened in a plane. The spectacles have a frame 1, which has respectively two openings 2, 3 which are wide at the center of the spectacles and are of large surface toward the ends. The opening 2 is delimited at the top by the
REFERENCES:
patent: 1174 (1839-06-01), Thaxter
patent: 4964714 (1990-10-01), Weymouth, Jr. et al.
patent: 5131737 (1992-07-01), Pernicka
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