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NL2003562C2 - Head accessory, such as eyeglasses or a headphone, as well as method for connecting attaching elements to the main portion of a head accessory. - Google Patents

Head accessory, such as eyeglasses or a headphone, as well as method for connecting attaching elements to the main portion of a head accessory. Download PDF

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Publication number
NL2003562C2
NL2003562C2 NL2003562A NL2003562A NL2003562C2 NL 2003562 C2 NL2003562 C2 NL 2003562C2 NL 2003562 A NL2003562 A NL 2003562A NL 2003562 A NL2003562 A NL 2003562A NL 2003562 C2 NL2003562 C2 NL 2003562C2
Authority
NL
Netherlands
Prior art keywords
connecting element
leaf spring
spring arm
attaching
recess
Prior art date
Application number
NL2003562A
Other languages
Dutch (nl)
Inventor
Michael Jaeger
Original Assignee
Freigeist V O F
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 Freigeist V O F filed Critical Freigeist V O F
Priority to NL2003562A priority Critical patent/NL2003562C2/en
Priority to PCT/NL2010/050535 priority patent/WO2011037454A1/en
Application granted granted Critical
Publication of NL2003562C2 publication Critical patent/NL2003562C2/en

Links

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
    • G02C5/143—Side-members having special ear pieces
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C1/00—Assemblies of lenses with bridges or browbars
    • G02C1/06—Bridge or browbar secured to or integral with closed rigid rims for the lenses
    • G02C1/08—Bridge or browbar secured to or integral with closed rigid rims for the lenses the rims being tranversely split and provided with securing means
    • 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
    • G02C5/008—Spectacles frames characterized by their material, material structure and material properties
    • 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
    • G02C5/146—Side-members having special front end
    • 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
    • G02C5/16—Side-members resilient or with resilient parts
    • 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
    • G02C5/2272—Hinges without well-defined pivot axis
    • 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
    • G02C2200/12—Frame or frame portions made from sheet type material

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
  • Headphones And Earphones (AREA)

Abstract

A head accessory, such as eyeglasses or a headphone, has a frame 2 made of flexible material, preferably sheet metal, with a main portion 3 and a connecting element 4a, 4b at both sides. Further it comprises two attaching elements 5a, 5b that are screwless and pivotable connected with the connecting elements. Each of the attaching elements 5a, 5b has at one end a first and a second leaf spring arm 7a, 7b, which extend substantially parallel in their longitudinal direction. Each connecting element is provided with a recess 9 and an opening 8, each receiving one of the leaf spring arms. The first leaf spring arm 7a of each attaching element 5a, 5b is provided near its free end with an L-shaped portion 10 for limiting the pivotal movement of the attaching element with respect to the connecting element. The pivot axis between the attaching element and the connecting element is realized by an edge 10a of the L-shaped portion 10 and a recess 11 located adjacent to this portion, which cooperates with the edges of the recess 9 in the connecting element.

Description

P89448NL00
Titel: Head accessory, such as eyeglasses or a headphone, as well as method for connecting attaching elements to the main portion of a head 5 accessory
De uitvinding
The present invention refers to a head accessory, such as eyeglasses or a headphone, having a frame comprising a main portion and a connecting 10 element at both sides and further comprising two attaching elements that are screwless and pivotable connected with the connecting elements, said frame being made of flexible material, preferably sheet metal.
Many head accessories are known which comprise different articulated mechanisms. The most common variants are eyeglasses 15 frames comprising an articulated hinge mechanism which uses an articulation pin to hinge the respective attaching element to a connecting element attached to the frame, generally by means of a screw or of other means suitable for the purpose. To place the lenses into the frame conventional eyeglasses frames are opened and closed 20 using a locking block, or attached onto the frame with screws. When using frameless glasses the attaching elements are usually screwed onto the lenses.
Due to a number of disadvantages arising from such mechanisms, 25 such as the loosening of screws and pins - thereby destabilizing or even dislodging the parts of the construction - as well as the need to use of multiple components -thereby increasing production cost -there are a number of devices which have used a screwless articulating mechanism.
EP 0863424 Al proposes an eyeglasses frame which incorporates 30 2 the screwless articulated mechanism into the frame. The frame is connected to a three-leaf spring arm attaching element. The connecting element which is part of the frame comprises two recesses forming an articulated axis running perpendicular to the 5 direction of the open or operative position of the attaching element.
In the operative state of the attaching element the outer leaf spring arms lie against the surface of the connecting element pointing in the direction of the eyeglasses wearer, and the curves provided at their free ends pass through the recesses in the connecting element.
10 The center leaf spring arm then lies against the opposite surface of the connecting element. The articulated connection that is thereby created negates the need for using pins or screws, thereby also making it possible to easily replace the attaching elements as well as simplifying the production process. The connecting element is 15 comprised of two parts, thereby making it easy to place lenses into the frame. The eyeglasses frame is made of sheet metal.
This known eyeglasses leaves the possibility of the connecting element and the attaching element disconnecting in the operative 20 state if pressure is applied such as when the wearer is resting the attaching element-side of his head on a hard surface such as a wall. Furthermore the frame of these known eyeglasses restricts the design and form in that it always requires three leaf-spring arms.
25 It is the object of the invention is to improve such head accessories by constructing a. more stable screwless articulated hinge mechanism.
According to the invention each of the attaching elements has at one end a first and a second leaf spring arm, which extend substantially parallel in 30 their longitudinal direction, each connecting element is provided with a 3 recess and an opening, each receiving one of the leaf spring arms, and the first leaf spring arm of each attaching element is provided near its free end with an L-shaped portion for limiting the pivotal movement of the attaching element with respect to the connecting element.
5 Thus, each connecting element is merged with the neighboring attaching element, which comprises two substantially parallel leaf spring arms, in a way that the leafs spring arms pass through a recess and an opening in the connecting element, respectively. The L-shaped portion of each of both first leaf spring arms, limiting the pivotal movement of connecting and attaching 10 elements, contributes to the stability of the construction of the head accessory.
It is preferable for the stability that in that the leg of L-shaped portion extends at least over the width of a base portion of the first leaf spring arm. 15
In a preferred embodiment of the head accessory the second leaf spring arm is provided near its free end with a projection and is movable through the opening of the connecting element, the projection is able to abut against the surface of the connecting element, limiting the pivotal movement of its 20 attaching element and preventing a disengagement of the leaf spring arm from the connecting element. The projection prevents it from sliding out of the opening of the connecting element. In this position the head accessory frame is now in the non-operative state.
25 Another aspect of the invention relates to a method for connecting attaching elements to connecting elements of the main portion of such a head accessory. This method is characterized by the following steps for connecting each attaching element: the second leaf spring arm is positioned aligned to the surface of the 30 connecting element, 4 both recesses in the connection element and in the first leaf spring arm are aligned and the attaching element is engaged by a sliding movement of the attaching element substantially parallel to the pivot axis, the attaching element is pivoted around the pivot axis enabling a 5 movement of the second leaf spring arm over the free end edge of the connecting element, followed by a sliding movement of the second leaf spring arm from the edge over the surface of the connection element into the opening.
10 The present invention will be described in more detail below on the basis of figures and of an example of a head accessory of the kind of eyeglasses. Shown in details is the following:
Fig 1 is a schematic perspective view of a head accessory in accordance with 15 the invention in the inoperative state with a folded-in attaching element and with the connection of this atta ching element with a connection element,
Fig. 2 is a schematic perspective view of a part of the head accessory as shown in fig. 1 in the operative state with a folded-out attaching element 20 Fig. 3 is a schematic perspective view of a part of the head accessory as shown in fig.1 wherein for better understanding of the invention a binding element securing the attaching element and connecting element has been deleted,
Fig.4 is a schematic perspective exploded view of the connection element 25 and the binding element.
Fig.5 is a schematic perspective view of the connection element and the binding element joined together.
Fig.6 is a schematic perspective exploded view of the attaching element.
5
The head accessory 1 shown in fig. 1, in this first embodiment an eyeglasses, has a frame 2 made of flexible material, preferably sheet metal, with a main portion 3 having two lense-holding frame portions and a connecting element 4a, 4b at both respective sides. It further comprises two attaching elements 5 5a, 5b that are screwless and pivotable connected with the connecting elements 4a, 4b. Each connecting element shows an upper part 6a and a lower part 6b.
Each of the attaching elements 5a, 5b has at one end a first and a second leaf spring arm 7a, 7b, which arms extend substantially parallel in their 10 longitudinal direction. Each connecting element 4a, 4b is provided with an opening 8 and a recess 9, each receiving one of the leaf spring arms 7 (see also fig. 3). The first leaf spring arm 7a of each attaching element 5a, 5b is provided near its free end with an L-shaped portion 10 for limiting the pivotal movement of the attaching element 5a, 5b with respect to the 15 connecting element 4a, 4b during opening and closing of the eyeglasses frame 2. The leg of L-shaped portion extends at least over the width of a base portion of the first leaf spring arm 7a, but preferably this leg extends over the whole width of the connection element 4.
The pivot axis between the attaching element 5a, 5b and the connecting 20 element 4a, 4b is realized by an edge 10a of the L-shaped portion 10 and a recess 11 (see also fig.6) located adjacent to this portion 10, which cooperates with the edges of the recess 9 in the connecting element (see also fig. 2).
The second leaf spring arm 7b is provided near its free end with a notch or 25 projection 12 and is movable through the opening 8 of the connecting element 4, the projection 12 is able to abut against the surface of the upper part 6a of the connecting element 4, limiting the pivotal movement of its attaching element 5a, 5band preventing a disengagement of the leaf spring arm 7b from the connecting element. The second leaf spring arm 7b 30 comprises an indent 13 which in the operative position of the attaching 6 element 5a, öbextends through the opening 8 of the connecting element 4a, 4b to the edge of the connecting element facing the attaching element 5a, 5b(fig.3). Also the first leaf spring arm 7a comprises an indent 14 which in the operative position of the attaching element (fig. 2, 3) extends from the L-5 shaped portion 10 through the recess 9 of the connecting element 4a, 4b to the edge 15 of the connecting element 4a, 4b facing the attaching element 5a, 5b.
In a preferred embodiment a binding element 17 is added for further 10 stability. This binding element is preferably made of sheet metal. As shown in fig. 4 and 5 is each connecting element 4a, 4b provided with a partly-curved, preferably hook shaped slit 16 extending between the edge 4c of the connecting element facing the lense-holding frame portion and a side edge 4d of the connecting element. The connection between the connecting 15 element 4a, 4b and the attaching element 5a, 5b is secured by the binding element 17; bridging the curved part of the slit and thereby fixing the position of the upper 6a and lower part 6b of the connecting element 4a, 4b. The binding element 17 is provided with an opening 18 aligned with the opening 8 of the connecting element 4, whereas the second leaf spring arm 20 7b extends through both openings 8, 18, locking the binding element on the connecting element.
For connecting the attaching elements 5a, 5bto the connecting elements 4a, 4b the second leaf spring arm 7b is positioned with respect to the surface of 25 the connecting element 4, followed by aligning both recesses 9, 11 in the connection element and in the first leaf spring arm. The next step is engaging the attaching element 5a, 5b by a sliding movement of the attaching element substantially parallel to the pivot axis 10a, followed by pivoting the attaching element 5a, 5b around the pivot axis enabling a 30 movement of the second leaf spring arm 7b over the free end edge of the 7 connecting element and followed by a sliding movement of the second leaf spring arm from the edge over the surface of the connection element into the opening 8 and to be locked into the smaller part of the opening with the help of the projection 12. Once the two leaf spring arms are in place, the 5 binding element 17 can be slided downwards. In this state the upper side of the opening 18 in the binding element now covers a part of the larger part of the opening 8 in the connecting element so that the second leaf spring arm 7b cannot be removed unless the binding element 17 is slided upwards. Furthermore, the binding element takes up some of the space in the recess 10 of the connecting element, thereby stabilizing the first leaf spring arm 7a of the attaching element
It is noted that the stability in the operative state is provided through a combination of the recess before the leg of the L shaped portion 10 and the 15 leg of the L itself on the first leaf spring arm 7a of the attaching element 5, which restricts any sideward movement of the attaching element, as well as the projection 12 at the second leaf spring arm 7b which restricts any remaining movement of the attaching element upwards. Furthermore the indents 13, 14 provide additional stability.
20
The aesthetic form of both the connecting elements 4a, 4b and the attaching elements 5a, 5b provide the eyeglasses frame 2 with its unique design. In the operative state the attaching elements 5a, 5b are fitted to the connecting elements 4a, 4b in a way that a very thin and fiat design remains 25
In an alternative embodiment of the invention (not shown) the accessory is a head-phone, in which the ends of the attaching elements 5a, 5b are provided with audio shells and the main frame portion 3 is covered with a cushion material. This embodiment shows the same advantages as described before 30 such as the stability of the construction.
8
The accessory is preferably made of sheet metal. Alternatively it can be made of materials with similar attributes.

Claims (9)

1. Hoofd accessoire, zoals een bril of een hoofdtelefoon, voorzien van een lichaam met een hoofddeel en met aan beide zijden een 5 verbindingselement en verder voorzien van twee aansluitelementen die zonder schroeven en zwenkbaar verbonden zijn met de aansluitelementen, welk lichaam is samengesteld uit flexibel materiaal, bij voorkeur blad metaal, Met het kenmerk, dat 10. elk van de aansluitelementen nabij een einde een eerste en een tweede bladveer arm heeft, welke onderling zich ongeveer evenwijdig uitstrekken; elk verbindingselement is voorzien van een uitsparing en een opening, welke elk één van de bladveer armen ontvangen; 15. de eerste bladveer arm van elk aansluitelement nabij het vrije einde voorzien is van een L-vormig uitgevoerd deel, bestemd om de zwenk beweging van het aansluitelement ten opzichte van het verbindingselement te begrenzen; de zwenkas tussen het aansluitelement en het verbindingselement 20 gevormd wordt door de rand van het L-vormig uitgevoerd deel en een uitsparing aanwezig grenzend aan dit deel, dat samenwerkt met de randen van de uitsparing in het verbindingselement.1. Main accessory, such as glasses or headphones, provided with a body with a main part and with a connecting element on both sides and further provided with two connecting elements which are connected to the connecting elements without screws and pivotably, which body is composed of flexible material, preferably sheet metal, characterized in that each of the connecting elements has a first and a second leaf spring arm near one end, which arms extend approximately parallel to each other; each connecting element is provided with a recess and an opening, each receiving one of the leaf spring arms; 15. the first leaf spring arm of each connecting element near the free end is provided with an L-shaped part, intended to limit the pivoting movement of the connecting element relative to the connecting element; the pivot axis between the connecting element and the connecting element 20 is formed by the edge of the L-shaped part and a recess present adjacent to this part, which cooperates with the edges of the recess in the connecting element. 2. Hoofd accessoire volgens conclusie 1, met het kenmerk, dat het 25 been van het L-vormig deel zich over ten minste de breedte van een basisdeel van de eerste bladveer arm uitstrekt.2. Main accessory according to claim 1, characterized in that the leg of the L-shaped part extends over at least the width of a base part of the first leaf spring arm. 3. Hoofd accessoire volgens conclusie 1, met het kenmerk, dat de tweede bladveer arm nabij het vrije einde is voorzien van een uitsteeksel 30 en beweegbaar is door de opening in het aansluitelement, welk uitsteeksel kan stoten tegen het oppervak van het verbindingselement, daarbij begrenzend de zwenk beweging van het aansluitelement en voorkomend dat de bladveerarm los komt van het aansluitelement.Main accessory according to claim 1, characterized in that the second leaf spring arm is provided with a protrusion 30 near the free end and is movable through the opening in the connecting element, which protrusion can abut against the surface of the connecting element, thereby limiting the pivoting movement of the connecting element and preventing the leaf spring arm from coming loose from the connecting element. 4. Hoofd accessoire volgens conclusie 3, met het kenmerk, dat de 5 tweede bladveer arm een inspringing bezit die in de werkzame stand van het aansluitelement zich uitstrekt door de opening van het verbindingselement naar de rand van het verbindingselement die gelegen is nabij het aansluitelement.4. Main accessory according to claim 3, characterized in that the second leaf spring arm has a recess which, in the operative position of the connecting element, extends through the opening of the connecting element to the edge of the connecting element which is located near the connecting element. 5. Hoofd accessoire volgens conclusie 3 of 4, met het kenmerk, dat de eerste bladveer arm een inspringing bezit die in de werkzame stand van het aansluitelement zich uitstrekt van het L-vormig deel door de uitsparing van het verbindingselement naar de rand van het verbindingselement, gelegen nabij het aansluitelement. 15Main accessory according to claim 3 or 4, characterized in that the first leaf spring arm has an indentation which, in the operative position of the connecting element, extends from the L-shaped part through the recess of the connecting element to the edge of the connecting element , located near the connecting element. 15 6. Hoofd accessoire volgens conclusie 1, met het kenmerk, dat de accessoire een bril is, het hoofddeel van het lichaam twee glas houdende lichaamsdelen omvat en dat elk verbindingsdeel voor zien is van een ten minste deels gekromd verlopende sleuf die zich uitstrekt tussen de rand 20 van het verbindingselement nabij het glas houdende lichaamsdeel en een zijrand van het verbindingselement en dat de verbinding tussen het verbindingselement en het aansluitelement wordt zeker gesteld door een omsluitelement, dat het gekromde deel van de sleuf omsluit en dat daarbij de positie van het bovenste en onderste deel van het 25 verbindingselement fixeert..Main accessory according to claim 1, characterized in that the accessory is a pair of glasses, the main part of the body comprises two glass-containing body parts and that each connecting part is provided with an at least partially curved slit extending between the edge 20 of the connecting element near the glass-containing body part and a side edge of the connecting element and that the connection between the connecting element and the connecting element is ensured by an enclosing element, which encloses the curved part of the slot and that thereby the position of the upper and lower fixes part of the connecting element. 7. Hoofd accessoire volgens conclusie 6, met het kenmerk, dat het omsluitelement is voorzien van een opening die uitgelijnd ligt met de opening van het verbindingselement, terwijl de tweede bladveer arm zich door beide openingen uitstrekt, daarbij vastzettend het omsluitelement op het verbindingselement.7. Main accessory as claimed in claim 6, characterized in that the enclosing element is provided with an opening that is aligned with the opening of the connecting element, while the second leaf spring arm extends through both openings, thereby fixing the enclosing element on the connecting element. 8. Hoofd accessoire volgens conclusie 1, met het kenmerk, dat het 5 accessoire een koptelefoon is.8. Main accessory according to claim 1, characterized in that the accessory is a headphone. 9. Werkwijze voor het verbinden van aansluitelementen met verbindingselementen van het hoofddeel van een hoofdaccessoire, in het bijzonder volgens conclusie. 1, gekenmerkt door de volgende stappen om 10 elk aansluitelement te verbinden: de tweede bladveer arm gepositioneerd wordt ten opzichte van het oppervlak van het verbindingselement; beide uitsparingen in het verbindingselement en in de eerste bladveer arm onderling uitgelijnd worden en het aansluitelement verbonden 15 wordt door een glijdende beweging van het aansluitelement ongeveer evenwijdig aan de zwenkas; het aansluitelement rond de zwenkas verzwenkt wordt, waardoor een beweging mogelijk wordt van de tweede bladveer arm over de vrije eind rand van het verbindingselement, gevolgd door een glijdende 20 beweging van de tweede bladveer arm vanaf de rand over het oppervlak van het verbindingselement tot in de opening.9. Method for connecting connecting elements to connecting elements of the main part of a main accessory, in particular according to claim. 1, characterized by the following steps of connecting each connecting element: the second leaf spring arm is positioned relative to the surface of the connecting element; both recesses in the connecting element and in the first leaf spring arm are mutually aligned and the connecting element is connected by a sliding movement of the connecting element approximately parallel to the pivot axis; the connecting element is pivoted about the pivot axis, thereby allowing a movement of the second leaf spring arm over the free end edge of the connecting element, followed by a sliding movement of the second leaf spring arm from the edge over the surface of the connecting element into the opening.
NL2003562A 2009-09-28 2009-09-28 Head accessory, such as eyeglasses or a headphone, as well as method for connecting attaching elements to the main portion of a head accessory. NL2003562C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL2003562A NL2003562C2 (en) 2009-09-28 2009-09-28 Head accessory, such as eyeglasses or a headphone, as well as method for connecting attaching elements to the main portion of a head accessory.
PCT/NL2010/050535 WO2011037454A1 (en) 2009-09-28 2010-08-26 Screwless head accessory, such as eyeglasses or a headphone

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2003562A NL2003562C2 (en) 2009-09-28 2009-09-28 Head accessory, such as eyeglasses or a headphone, as well as method for connecting attaching elements to the main portion of a head accessory.
NL2003562 2009-09-28

Publications (1)

Publication Number Publication Date
NL2003562C2 true NL2003562C2 (en) 2011-03-29

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ID=42115964

Family Applications (1)

Application Number Title Priority Date Filing Date
NL2003562A NL2003562C2 (en) 2009-09-28 2009-09-28 Head accessory, such as eyeglasses or a headphone, as well as method for connecting attaching elements to the main portion of a head accessory.

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Country Link
NL (1) NL2003562C2 (en)
WO (1) WO2011037454A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2975791B1 (en) * 2011-05-24 2013-05-31 Guillaume Lefrancois MOUNTING GLASSES WITHOUT SCREWS
FR2991466B1 (en) * 2012-05-31 2015-03-27 Surfolding EYEGLASS FRAME
TWI859052B (en) * 2024-01-02 2024-10-11 鄧濬泰 glasses

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19703812A1 (en) * 1997-01-27 1998-07-30 Philipp Haffmans Screwless glasses frame
WO2005116726A1 (en) * 2004-05-28 2005-12-08 Mykita Gmbh Spectacle frame

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19703812A1 (en) * 1997-01-27 1998-07-30 Philipp Haffmans Screwless glasses frame
WO2005116726A1 (en) * 2004-05-28 2005-12-08 Mykita Gmbh Spectacle frame

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