Classifications

• • G—PHYSICS
  • G02—OPTICS
  • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
  • G02C5/00—Constructions of non-optical parts
  • G02C5/14—Side-members
  • G02C5/20—Side-members adjustable, e.g. telescopic
• • G—PHYSICS
  • G02—OPTICS
  • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
  • G02C2200/00—Generic mechanical aspects applicable to one or more of the groups G02C1/00 - G02C5/00 and G02C9/00 - G02C13/00 and their subgroups
  • G02C2200/18—Adjustment ridges or notches
• • G—PHYSICS
  • G02—OPTICS
  • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
  • G02C2200/00—Generic mechanical aspects applicable to one or more of the groups G02C1/00 - G02C5/00 and G02C9/00 - G02C13/00 and their subgroups
  • G02C2200/20—Friction elements
• • G—PHYSICS
  • G02—OPTICS
  • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
  • G02C2200/00—Generic mechanical aspects applicable to one or more of the groups G02C1/00 - G02C5/00 and G02C9/00 - G02C13/00 and their subgroups
  • G02C2200/26—Coil spring pushed upon actuation
• • G—PHYSICS
  • G02—OPTICS
  • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
  • G02C2200/00—Generic mechanical aspects applicable to one or more of the groups G02C1/00 - G02C5/00 and G02C9/00 - G02C13/00 and their subgroups
  • G02C2200/28—Coil spring twisted upon actuation

Definitions

• the present invention refers to a glasses frame and to a related pair of glasses. It is a common experience that the choice of a pair of glasses is carried out reaching a compromise between two different demands: the first is that of finding a frame having an aesthetical aspect which meets personal taste, the second is that the frame itself fits as best as possible individual physiognomy. In fact, obviously head sizes and shapes are the most varied among individuals, according to age, gender and, more simply, the specific physical structure. Therefore, often in the choice of a pair of glasses compromises are due: perhaps a nice, yet imperfectly fitting design, or, on the contrary, a highly comfortable, yet not aesthetically appreciated design is found.
• each known-art glasses model makes reference to 'average' anthropometric sizes, and sometimes it is marketed in three different versions corresponding to average man, woman and child sizes.
• some models provide the option of permanently deforming the free ends of the temples, i.e. the ends apt to rest onto the ears, so as to allow a full stability of the glasses frame onto the user's face.
• the technical problem underlying the present invention is to provide a glasses frame and a related pair of glasses overcoming the drawbacks hereto mentioned with reference to the known art.
• the present invention further provides glasses according to claim 24.
• Preferred features of the present invention are provided for in the dependent claims thereof.
• the main advantage lies in that it allows a simple and effective adjustment of any glasses to the physiognomy of any individual, and in particular to the anthropometric dimensions and to the shape of the face of him/her.
• the invention actually makes the aesthetical aspect and the ergonomic aspect of a glasses independent therebetween, as it enables to choose the best-liked frame with the certainty of having it always perfectly fitting individual physical features.
• the invention overcomes all the discomforts associated with glasses having temples of insufficient length, causing inconveniences or pains, and to glasses having temples of excessive length, perpetually tending to slide forward.
• Figure 1 is a perspective view of a first embodiment of glasses according to the present invention
• Figure 2 is a perspective view of a portion of the temple of the glass of Figure l;
• Figure 2 A shows a magnified detail of the temple of Figure 2
• Figure 3 is a perspective view of the temple of Figure 2 in a disassembled condition
• Figure 3 A shows a magnified detail of the temple of Figure 3
• Figure 3B is a cross-sectional view of the detail of Figure 3 A taken along line A-A thereof
• Figure 4 is a longitudinal sectional view of the temple of Figure 2;
• Figures 5 A and 5B are respective side views of the temple of Figure 2, in two different configurations;
• Figure 6 is a perspective view of a glasses temple according to another embodiment of the invention.
• Figure 6 A shows a magnified detail of the temple of Figure 6;
• Figure 7 is a side view of the temple of Figure 6;
• Figure 7 A shows a magnified detail of the temple of Figure 7;
• Figures 8A to 8N are each a schematic cross-sectional view of a glasses temple according to further variant embodiments of the invention.
• a pair of glasses according to a first embodiment of the present invention is generally indicated by 100.
• the glasses 100 comprise, alike any known-art glasses, a frame 1 and a pair of lenses, 101 and 102
• the frame 1 in turn comprises a first and a second wear-on temple, indicated by 2 and 3, respectively.
• each of the two temples 2 and 3 has an adjustable length, as indicated by the arrows depicted in said Figure 1.
• the two temples 2 and 3 have a length adjustable the one independently from the other, thereby allowing to compensate also any asymmetries between the right side and the left side of the head.
• each temple 2 or 3 has a section of a length variable within a value range of about 0 to 50 mm.
• the adjustment modes of the length of the temples 2 and 3 will hereinafter be described in detail with reference to the first temple 2. However, it is understood that said description also applies to the second temple 3, which in the present embodiment is identical to the first temple 2.
• the temple 2 comprises a first stationary portion 4, in this case the front portion thereof fixed with the lenses 101 and 102, and a second movable portion 5, in this case the rear portion of the temple 2 apt to rest onto the ear, which is slidably coupled to the first portion 4.
• the stationary portion 4 has a longitudinal inner cavity 41 having a substantially circular cross section. Moreover, this portion 4 has, at its sidewall, a shaped longitudinal aperture, or slit, 42, which puts the longitudinal cavity 41 in communication with the outside.
• the shaped slit 42 alternates segments 43 having a substantially rectilinear development to shaped seats 44 having a substantially semicircular contour. The latter are longitudinally aligned along the temple 2 and spaced according to a substantially constant pitch P .
• the stationary portion 4 comprises an end sleeve 45, applied at its free end, i.e. the end farther from the respective lens 101.
• the sleeve 45 it also having a circular contour, has a cross section greater with respect to the remainder of the stationary portion 4.
• Such a sleeve 45 if suitably shaped, can also assume a decorative function.
• the abovementioned movable portion 5 is partly slidable within the longitudinal cavity 41 of the stationary portion 4.
• the part of the second portion 5 sliding in the longitudinal cavity 41 has it also a substantially circular cross section.
• Figures 3, 3 A and 3B show the temple 2 in a disassembled condition.
• the movable portion 5 has a blocking element 51, in particular a substantially cylindrical projecting side pin, apt to be inserted within each of the seats 44 so as to implement a shape coupling therewith.
• the first and the second portion 4 and 5 may be blocked in a plurality of relative positions, each corresponding to a respective total length of the temple 2.
• the overall arrangement is such that the sleeve 45, by interfering with the pin 51, prevents the complete coming out of the movable portion 5 from the longitudinal cavity 41, i.e. the disassembling of the temple 2.
• the spring 6 is retained in abutment between an abutment wall of the first portion 4 (not shown) located in correspondence of or near to the end thereof nearer to the respective lens 101, and an end base 52 of the movable portion 5.
• the geometric shape and the aesthetic features of the temples 2 and 3 may vary greatly, and that on those there may be applied ornaments of any kind whatsoever, e.g. set stones of various kinds and sizes.
• the materials with which the temples 2 and 3 and the related frame 1 are made may be the most varied, e.g. precious and non-precious metals, plastic materials, resins, bone, wood, and so on.
• each temple one of which is indicated by way of example by 20, comprises a stationary portion 40 and a movable portion 50 slidable within the latter, as in the first embodiment disclosed above.
• the stationary portion has a plurality of separate seats, or apertures, 401, each having a substantially circular contour. These seats 401 are located, on the sidewall of the portion 40, longitudinally aligned and spaced according to a substantially constant pitch P'.
• the movable portion 50 comprises a blocking element 501 having a hemispherical contour, elastically connected to the remainder of the movable temple 50.
• This elastic connection enables said element 501 to assume a projecting configuration, in which it projects just externally to the body of the temple 50 itself to engage a seat 401, and a retracted configuration, attained by forcing said contrast element to near to, or to completely collapse into the movable temple 50, in which the retracted configuration the element 501 allows the reciprocal sliding of the first and second portion 40 and 50.
• said elastic connection is obtained by connecting the blocking element 501 to the remainder of the movable temple 50 by means of a leaf spring (not shown).
• the overall arrangement is such that the blocking element 501 is induced to assume said retracted configuration merely by applying a longitudinal action onto the movable portion 50 or on the stationary portion 40, i.e., by pulling or pushing one of said portions.
• the hemispherical contour of the contrast element 501 promotes the sliding thereof onto the walls of the apertures 401 when said longitudinal bias be applied, entailing no damage to the element 501, nor to the stationary portion 40.
• said longitudinal force should suffice to overcome the opposing force associated with said elastic connection.
• the contrast element 501 assume said retracted configuration and to slide the movable portion 50 within the stationary portion 40. Then, upon reaching the seat 401 corresponding to the desired length, the element 501 is again let out through said seat 401, thereby blocking the reciprocal sliding of the portions 40 and 50.
• the element 501 is stably held in such a blocking configuration by virtue of the elastic returning action force produced by its connection to the main body of the movable temple 50.
• the blocking element may be it also elastically deformable, alternatively to or in combination with the fact of being elastically connected to the remainder of the respective movable portion.
• the embodiment described hereto entails the. advantage of not necessarily requiring the use of a movable temple portion having a circular cross section.
• the temples according to the invention may also have a structure complementary to that considered hereto, i.e. comprising a first portion fixed with the lenses that has a blocking element and a second portion slidable externally to the first portion and provided with a plurality of seats or openings to receive said blocking element.
• Figures 8 A to 8N refer each to a viable cross-section of glasses temples according to the invention, showing a schematic representation thereof.
• the present invention refers both to a glasses frame having temples of adjustable length and to a pair of glasses comprising such a frame.

Landscapes

• Physics & Mathematics (AREA)
• Health & Medical Sciences (AREA)
• General Physics & Mathematics (AREA)
• Ophthalmology & Optometry (AREA)
• Optics & Photonics (AREA)
• Eyeglasses (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (1)

Family

ID=32321449

Family Applications (1)

Country Status (3)

Cited By (4)

Citations (7)

• 2002
  • 2002-11-20 IT ITRM20020585 patent/ITRM20020585A1/it unknown
• 2003
  • 2003-10-10 AU AU2003279539A patent/AU2003279539A1/en not_active Abandoned
  • 2003-10-10 WO PCT/IT2003/000614 patent/WO2004046790A1/en not_active Application Discontinuation

Patent Citations (7)

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