WO2012010935A1 - Elastic hinge for eyeglass frames - Google Patents

Elastic hinge for eyeglass frames Download PDF

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Publication number
WO2012010935A1
WO2012010935A1 PCT/IB2010/054026 IB2010054026W WO2012010935A1 WO 2012010935 A1 WO2012010935 A1 WO 2012010935A1 IB 2010054026 W IB2010054026 W IB 2010054026W WO 2012010935 A1 WO2012010935 A1 WO 2012010935A1
Authority
WO
WIPO (PCT)
Prior art keywords
hinge
temple
rotation
elastic
relation
Prior art date
Application number
PCT/IB2010/054026
Other languages
French (fr)
Inventor
Antonio De Rossi
Elisabetta De Rossi
Original Assignee
Illusione Ottica Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Illusione Ottica Srl filed Critical Illusione Ottica Srl
Publication of WO2012010935A1 publication Critical patent/WO2012010935A1/en

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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
    • G02C5/22—Hinges
    • G02C5/2218—Resilient hinges
    • G02C5/2227—Resilient hinges comprising a fixed hinge member and a coil spring
    • 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

Definitions

  • the present invention concerns eyeglasses/sunglasses and hinges for eyeglass/sunglass frames, and in particular it concerns a new concealed elastic hinge with double rotation axis for glass frames.
  • the glass frames of known type comprise a front on which the lenses are mounted and a pair of temples mounted on the two opposite sides of said front.
  • Each one of said temples is hinged to said front with a hinge comprising one portion associated with said temple, one portion associated with said front and a pin defining the rotation axis of said temple in relation to said front, said rotation axis being substantially orthogonal to said temple and lying on a plane that is substantially parallel to the plane defined by the lenses, so that the temple can be rotated from a folded position in which it is parallel to and rests against the lenses to an open position in which it is orthogonal to the lenses.
  • the rotation of the temples is thus limited between said folded position, in which the temple rests on the front or the lenses, and said open position, in which a shaped portion of the hinged end of the temple rests on a shaped portion of the front near the hinge.
  • Elastic hinges are known, which allow a further slight rotation of the temple from said open position towards the outside, said rotation being counteracted by at least one spring connected to the temple itself.
  • Said elastic hinges make the glasses more comfortable to use, since said temples rest on the ears and temples of the user and adapt better to the shape of the head.
  • the documents FR2907558, US2010/0128218 and other documents concern elastic hinges having the further function of facilitating the temple assembly and disassembly operations.
  • Said elastic hinges comprise one portion associated with said front in proximity to an edge, one portion associated with one end of said temple, and a rotation pin between said portion associated with the front and said portion associated with the temple.
  • Said portion associated with the temple is at least partially recessed in a seat serving as a guide and obtained within the thickness of the temple and comprises an element suited to ensure coupling to said pin and a spring constrained to said coupling element at one end and to said seat in said temple at the opposite end.
  • Said coupling element translates longitudinally within said seat in the temple and its translation out of the seat is counteracted by said spring.
  • a drawback of said elastic hinges of known type lies in that the elastic mechanism is recessed within the temple and therefore subjected to greater stress and risk of breakage.
  • the spring of the elastic hinge must come in such size, material and shape as to guarantee appropriate mechanical resistance to stress.
  • the elastic mechanism of the hinge which is recessed into the temple, is visible, in particular with temples in transparent or semi- transparent materials, which negatively affects the appearance of the glasses.
  • Another drawback lies in that said elastic mechanism is typically made at least partially of nickel and, being located near the user's temples, may cause allergic reactions in sensitive individuals.
  • the main object of the present invention is to allow the elastic hinge to be concealed in the glass front, so that it cannot be seen, which represents an advantage for both the appearance and the functionality of the glasses.
  • Another object of the present invention is to avoid any risk of breakage of the hinge by reducing stress, as the hinge is inserted in the front and not in the temple.
  • Another object of the present invention is to make the hinge and therefore the frame lighter, since it is possible to use smaller and lighter springs, which increases the user's comfort.
  • a further advantage offered by the present patent lies in that it ensures higher mobility of the temple in relation to the front, as said temple can perform a first rotation around a first rotation axis, thus opening and folding, and a second rotation around a second rotation axis, so that the temple can be further pulled outwards in order to allow the user to wear the glasses with increased comfort and safety.
  • the new type of concealed elastic hinge with double rotation axis for eyeglass/sunglass frames comprising, among its main components, one first portion associated with the front of the glasses and partially recessed in a seat obtained in the front itself, one second portion associated with the end of the temple, a first rotation pin for the rotation of said second portion in relation to said first portion, that is, of said temple in relation to said front, and a second rotation pin for the rotation of said first portion in relation to said front, and wherein said rotation of said first portion in relation to said front is counteracted by an elastic means.
  • Said second pin and said elastic means are preferably inserted and recessed in said seat obtained in the front, thus allowing the elastic mechanism to be completely concealed in the front and not in the temple.
  • the temple can thus perform a first opening/folding movement rotating around said first pin, integrally with said second portion of the hinge.
  • said temple In the completely open position, said temple can further rotate towards the outside, integrally with both said second portion of the elastic hinge and said first portion, which rotates around said second rotation pin in relation to said front.
  • Said hinge thus makes it possible to further pull the temples towards the outside so as to put on the glasses more easily.
  • the temples then remain resting on the temples and ears of the user thanks to the action of said elastic means that counteracts said rotation of the temple.
  • Figure 1 schematically shows the new elastic hinge (C) mounted between a front (F) and a temple (S), of which only the parts near the hinge (C) itself are visible.
  • Figure 2 shows a view of a pair of glasses (O) with elastic hinges (C) where it is possible to observe the further rotation of the temple (S) towards the outside.
  • the new elastic hinge (C) is suited to be mounted on glass frames (O), as shown for example in Figure 2.
  • said hinge (C) allows the mutual rotation between each temple (S) and the front (F).
  • Each hinge (C), in particular, is installed between the edge (Fl) of the front and one end (S I) of the corresponding temple (S).
  • Each hinge (C) comprises a first portion (CI ) associated with said front (F) of the glasses (O) in proximity to said edge (Fl ), a second portion (C2) associated with the end (S I ) of the temple (S) and a first rotation pin (C3) for the rotation of said second portion (C2) in relation to said first portion (C I ).
  • said second portion (C2) of the hinge (C) is integrally constrained to said temple (S).
  • Said temple (S) and said second portion (C2) thus rotate integrally around said first pin (C3) in relation to said first portion (C I ) of the hinge (C).
  • Said first portion (C I ) of the hinge (C) is at least partially recessed in a seat (C5) obtained in said edge (Fl ) of the front (F).
  • Said first portion (C I) of the hinge (C) is directly or indirectly constrained to said seat (C5) in said front (F) so that it can be rotated by means of at least one second rotation pin (C4) completely recessed in said seat (C5) and having its axis (X2) substantially parallel to the rotation axis (XI ) of said first rotation pin (C3).
  • Said second pin (C4) allows the rotation of said first portion (C I) of said hinge (C) in relation to said front (F) and said rotation is counteracted by at least one elastic means (C6).
  • Said hinge (C) in fact, also comprises at least one elastic means, for example a spring (C6), constrained to said seat (C5) in said front (F) and compressed for example between one wall (C51 ) of said seat (C5) and said first portion (CI) of the hinge (C), with direction suited to counteract said rotation between said first portion (C I ) of the hinge (C) and said front (F).
  • elastic means for example a spring (C6), constrained to said seat (C5) in said front (F) and compressed for example between one wall (C51 ) of said seat (C5) and said first portion (CI) of the hinge (C), with direction suited to counteract said rotation between said first portion (C I ) of the hinge (C) and said front (F).
  • said spring (C6) is in turn partially inserted in a recess (C7) created in said first portion (C I) of the hinge (C) in order to make the hinge (C) more compact, and said spring (C6) lies between the bottom (C51) of said seat (C5) made in the front (F) and a wall (C71) of said recess (C7) opposite said bottom (C51 ) of the seat (C5).
  • Said second pin (C4) and said spring (C6) or elastic means are thus inserted and recessed in said seat (C5) in the front (F), thus allowing the elastic mechanism to be completely concealed in the front (F) and not in the temple (S).
  • each temple (S) can thus perform a first opening/folding movement rotating around said first pin (C3), integrally with said second portion (C2) of the hinge (C).
  • said temple (S) can further rotate towards the outside, as shown in Figure 2 in the right temple (S), integrally with both said second portion (C2) of the hinge (C) and said first portion (C I) which rotates around said second rotation pin (C4) in relation to said front (F).

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

The invention is an elastic hinge (C) for eyeglass/sunglass frames (O), comprising a first portion (Cl) that can be associated with the front (F) of the glasses (O), a second portion (C2) that can be associated with the hinged end (S1) of a temple (S), a first pin (C3) for the rotation of said second portion (C2) in relation to said first portion (C1), that is, of said temple (S) in relation to said front (F) for the opening/folding of said temple (S), comprising at least one second pin (C4) for the rotation of said first portion (C1) in relation to said front (F), with a consequent further rotation of said temple (S) towards the outside, and wherein said rotation of said first portion (C1) in relation to said front (F) is counteracted by at least one elastic means (C6).

Description

ELASTIC HINGE FOR EYEGLASS FRAMES
DESCRIPTION
The present invention concerns eyeglasses/sunglasses and hinges for eyeglass/sunglass frames, and in particular it concerns a new concealed elastic hinge with double rotation axis for glass frames.
Elastic hinges for eyeglass/sunglass frames are known.
The glass frames of known type comprise a front on which the lenses are mounted and a pair of temples mounted on the two opposite sides of said front.
Each one of said temples is hinged to said front with a hinge comprising one portion associated with said temple, one portion associated with said front and a pin defining the rotation axis of said temple in relation to said front, said rotation axis being substantially orthogonal to said temple and lying on a plane that is substantially parallel to the plane defined by the lenses, so that the temple can be rotated from a folded position in which it is parallel to and rests against the lenses to an open position in which it is orthogonal to the lenses.
The rotation of the temples is thus limited between said folded position, in which the temple rests on the front or the lenses, and said open position, in which a shaped portion of the hinged end of the temple rests on a shaped portion of the front near the hinge.
Elastic hinges are known, which allow a further slight rotation of the temple from said open position towards the outside, said rotation being counteracted by at least one spring connected to the temple itself.
Said elastic hinges make the glasses more comfortable to use, since said temples rest on the ears and temples of the user and adapt better to the shape of the head.
In this way the glasses remain in a better, more stable and more correct position.
The documents FR2907558, US2010/0128218 and other documents concern elastic hinges having the further function of facilitating the temple assembly and disassembly operations.
Said elastic hinges comprise one portion associated with said front in proximity to an edge, one portion associated with one end of said temple, and a rotation pin between said portion associated with the front and said portion associated with the temple.
Said portion associated with the temple is at least partially recessed in a seat serving as a guide and obtained within the thickness of the temple and comprises an element suited to ensure coupling to said pin and a spring constrained to said coupling element at one end and to said seat in said temple at the opposite end.
Said coupling element translates longitudinally within said seat in the temple and its translation out of the seat is counteracted by said spring. A drawback of said elastic hinges of known type lies in that the elastic mechanism is recessed within the temple and therefore subjected to greater stress and risk of breakage.
For this reason, the spring of the elastic hinge must come in such size, material and shape as to guarantee appropriate mechanical resistance to stress.
Furthermore, the elastic mechanism of the hinge, which is recessed into the temple, is visible, in particular with temples in transparent or semi- transparent materials, which negatively affects the appearance of the glasses.
Another drawback lies in that said elastic mechanism is typically made at least partially of nickel and, being located near the user's temples, may cause allergic reactions in sensitive individuals.
To overcome all the drawbacks mentioned above, a new type of concealed elastic hinge with double rotation axis for glass frames has been designed and implemented, wherein the elastic mechanism is completely recessed in the front and not in the temple of the glasses.
The main object of the present invention is to allow the elastic hinge to be concealed in the glass front, so that it cannot be seen, which represents an advantage for both the appearance and the functionality of the glasses.
Another object of the present invention is to avoid any risk of breakage of the hinge by reducing stress, as the hinge is inserted in the front and not in the temple.
Another object of the present invention is to make the hinge and therefore the frame lighter, since it is possible to use smaller and lighter springs, which increases the user's comfort.
A further advantage offered by the present patent lies in that it ensures higher mobility of the temple in relation to the front, as said temple can perform a first rotation around a first rotation axis, thus opening and folding, and a second rotation around a second rotation axis, so that the temple can be further pulled outwards in order to allow the user to wear the glasses with increased comfort and safety.
These and other direct and complementary objects have been achieved by the new type of concealed elastic hinge with double rotation axis for eyeglass/sunglass frames, comprising, among its main components, one first portion associated with the front of the glasses and partially recessed in a seat obtained in the front itself, one second portion associated with the end of the temple, a first rotation pin for the rotation of said second portion in relation to said first portion, that is, of said temple in relation to said front, and a second rotation pin for the rotation of said first portion in relation to said front, and wherein said rotation of said first portion in relation to said front is counteracted by an elastic means.
Said second pin and said elastic means, too, are preferably inserted and recessed in said seat obtained in the front, thus allowing the elastic mechanism to be completely concealed in the front and not in the temple. The temple can thus perform a first opening/folding movement rotating around said first pin, integrally with said second portion of the hinge.
In the completely open position, said temple can further rotate towards the outside, integrally with both said second portion of the elastic hinge and said first portion, which rotates around said second rotation pin in relation to said front.
Said hinge thus makes it possible to further pull the temples towards the outside so as to put on the glasses more easily.
Furthermore, the temples then remain resting on the temples and ears of the user thanks to the action of said elastic means that counteracts said rotation of the temple.
The characteristics of the new elastic hinge will be highlighted in greater detail in the following description, with reference to the drawings attached as non-limiting examples.
Figure 1 schematically shows the new elastic hinge (C) mounted between a front (F) and a temple (S), of which only the parts near the hinge (C) itself are visible.
Figure 2 shows a view of a pair of glasses (O) with elastic hinges (C) where it is possible to observe the further rotation of the temple (S) towards the outside.
The new elastic hinge (C) is suited to be mounted on glass frames (O), as shown for example in Figure 2.
In particular, said hinge (C) allows the mutual rotation between each temple (S) and the front (F).
Each hinge (C), in particular, is installed between the edge (Fl) of the front and one end (S I) of the corresponding temple (S).
Each hinge (C) comprises a first portion (CI ) associated with said front (F) of the glasses (O) in proximity to said edge (Fl ), a second portion (C2) associated with the end (S I ) of the temple (S) and a first rotation pin (C3) for the rotation of said second portion (C2) in relation to said first portion (C I ).
In particular, said second portion (C2) of the hinge (C) is integrally constrained to said temple (S).
Said temple (S) and said second portion (C2) thus rotate integrally around said first pin (C3) in relation to said first portion (C I ) of the hinge (C).
Said first portion (C I ) of the hinge (C) is at least partially recessed in a seat (C5) obtained in said edge (Fl ) of the front (F).
Said first portion (C I) of the hinge (C) is directly or indirectly constrained to said seat (C5) in said front (F) so that it can be rotated by means of at least one second rotation pin (C4) completely recessed in said seat (C5) and having its axis (X2) substantially parallel to the rotation axis (XI ) of said first rotation pin (C3). Said second pin (C4) allows the rotation of said first portion (C I) of said hinge (C) in relation to said front (F) and said rotation is counteracted by at least one elastic means (C6).
Said hinge (C), in fact, also comprises at least one elastic means, for example a spring (C6), constrained to said seat (C5) in said front (F) and compressed for example between one wall (C51 ) of said seat (C5) and said first portion (CI) of the hinge (C), with direction suited to counteract said rotation between said first portion (C I ) of the hinge (C) and said front (F). In the preferred embodiment of the invention, said spring (C6) is in turn partially inserted in a recess (C7) created in said first portion (C I) of the hinge (C) in order to make the hinge (C) more compact, and said spring (C6) lies between the bottom (C51) of said seat (C5) made in the front (F) and a wall (C71) of said recess (C7) opposite said bottom (C51 ) of the seat (C5).
Said second pin (C4) and said spring (C6) or elastic means are thus inserted and recessed in said seat (C5) in the front (F), thus allowing the elastic mechanism to be completely concealed in the front (F) and not in the temple (S).
As shown in Figure 2, each temple (S) can thus perform a first opening/folding movement rotating around said first pin (C3), integrally with said second portion (C2) of the hinge (C).
In the completely open position, said temple (S) can further rotate towards the outside, as shown in Figure 2 in the right temple (S), integrally with both said second portion (C2) of the hinge (C) and said first portion (C I) which rotates around said second rotation pin (C4) in relation to said front (F). These are the schematic characteristics that are sufficient to carry out the invention for a person skilled in the art, consequently upon construction changes may be made that do not affect the substance of the innovative concept disclosed herein.
Therefore, with reference to the above description and the attached drawings, the following claims are expressed.

Claims

1. Elastic hinge (C) for eyeglass/sunglass frames (O), comprising a first portion (CI ) that can be associated with the front (F) of the glasses (O), a second portion (C2) that can be associated with the hinged end (S I) of a temple (S), a first pin (C3) for the rotation of said second portion (C2) in relation to said first portion (C I ), that is, of said temple (S) in relation to said front (F) for the opening/folding of the temple (S), characterized in that it comprises at least one second pin (C4) for the rotation of said first portion (C I) in relation to said front (F), with a consequent further rotation of said temple (S) towards the outside, and wherein said rotation of said first portion (CI ) in relation to said front (F) is counteracted by at least one elastic means (C6).
2. Elastic hinge (C) according to claim 1 , characterized in that said first and second rotation pins (C3, C4) have rotation axes (XI , X2) that are substantially parallel to each other.
3. Elastic hinge (C) according to claims 1 , 2, characterized in that said elastic means comprises a spring (C6) that is compression loaded with direction suited to counteract said rotation between said first portion (CI) of the hinge (C) and said front (F).
4. Elastic hinge (C) according to claims 1 , 2, 3, characterized in that said spring (C6) is in turn partially inserted in a recess (C7) made in said first portion (C I ) of the hinge (C) in order to make the hinge (C) more compact.
5. Eyeglass/sunglass frame (O) comprising a front (F), one pair of temples (S), at least one elastic hinge (C) for the rotation of said temples (S) in relation to said front (F), said hinge (C) being constructed according to one or more of the claims from 1 to 4, characterized in that on the edge (Fl) of said front (F) there is at least one seat (C5), and wherein said first portion (C I ) of the hinge (C), said second pin (C4) and said elastic means (C6) are at least partially recessed in said seat (C5).
6. Eyeglass/sunglass frame (O) according to claim 5, characterized in that said second portion (C2) of the hinge (C) is integrally constrained to said temple (S).
7. Eyeglass/sunglass frame (O) according to claims 5, 6, characterized in that said spring (C6) is compression loaded between one wall (C51 ) of said seat (C5) in the front (F) and said first portion (CI) of the hinge (C).
8. Eyeglass/sunglass frame (O) according to claims 5, 6, 7, characterized in that said spring (C6), in turn partially inserted in said recess (C7) created in said first portion (CI ) of the hinge (C) lies between the bottom (C51 ) of said seat (C5) in the front (F) and a wall (C71 ) of said recess (C7) opposite said bottom (C51) of the seat (C5).
PCT/IB2010/054026 2010-07-21 2010-09-07 Elastic hinge for eyeglass frames WO2012010935A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000230A ITPD20100230A1 (en) 2010-07-21 2010-07-21 ELASTIC HINGE FOR GLASS FRAMES
ITPD2010A000230 2010-07-21

Publications (1)

Publication Number Publication Date
WO2012010935A1 true WO2012010935A1 (en) 2012-01-26

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ID=43479295

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PCT/IB2010/054026 WO2012010935A1 (en) 2010-07-21 2010-09-07 Elastic hinge for eyeglass frames

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WO (1) WO2012010935A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB930597A (en) * 1960-08-05 1963-07-03 Occhialcrom G Zanderighi S R L Improvements in spectacle frames
FR2043881A5 (en) * 1969-05-06 1971-02-19 Levrier Henri
FR2114282A5 (en) * 1970-11-17 1972-06-30 Gottlieb Hertz Paul
EP0177821A1 (en) * 1984-09-25 1986-04-16 VISOTTICA S.p.A. Hinge device particularly for eyeglasses
FR2907558A1 (en) 2006-10-24 2008-04-25 Comotec Sa Elastic hinge element for spectacle frame, has slide pivoting around its axis when part is removed from area, in manner to remain slide in out-blocked position for facilitating assembling/disassembling operations of knuckle with lug
US20100128218A1 (en) 2008-11-21 2010-05-27 Redtenbacher Prazisionsteile Ges. M.B.H. Spring hinge between a bow cheek and a bow of a pair of spectacles

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB930597A (en) * 1960-08-05 1963-07-03 Occhialcrom G Zanderighi S R L Improvements in spectacle frames
FR2043881A5 (en) * 1969-05-06 1971-02-19 Levrier Henri
FR2114282A5 (en) * 1970-11-17 1972-06-30 Gottlieb Hertz Paul
EP0177821A1 (en) * 1984-09-25 1986-04-16 VISOTTICA S.p.A. Hinge device particularly for eyeglasses
FR2907558A1 (en) 2006-10-24 2008-04-25 Comotec Sa Elastic hinge element for spectacle frame, has slide pivoting around its axis when part is removed from area, in manner to remain slide in out-blocked position for facilitating assembling/disassembling operations of knuckle with lug
US20100128218A1 (en) 2008-11-21 2010-05-27 Redtenbacher Prazisionsteile Ges. M.B.H. Spring hinge between a bow cheek and a bow of a pair of spectacles

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