DE10008980A1 - Fastening device for spectacle parts, comprises two elements provided respectively with tooth like protrusions and corresponding constricted bore sections which engage with one another - Google Patents

Abstract

The fastening device for spectacle parts comprises two elements (1, 2), with the first element (1) provided with at least one tooth like protrusion (15) and the second element (2) provided with at least one constricted section within its bore. As the first element is pushed into the second element, at least one of the protrusions of the first element engages with at least one constricted section of the second element.

Description

The present invention relates to a fastener for eyeglass parts, and in particular special a fastener according to the preamble of claim 1 or of claim 27.

Conventionally, different parts are attached to glasses the following known fasteners or fastening methods are used: Screws and nuts or soldering.

When screwing two pieces of glasses together using a screw ben-nut connection is generally a hole in both parts brought and the screw through the two aligned holes stuck. The screw head is on one side of the hole, while the nut on the other side of the hole on the screw thread of the screw is screwed on.  

By tightening the nut, the screw connection is fixed and the two ver screwed parts of the glasses are permanently connected. The Ver screw the very small screws used in this area (mainly opticians) Screws and nuts with threads of size M1 or similar are difficult and time consuming complex. In addition, the screws, which are usually too long, have to be tightened the screw connection can be shortened to the protrusion on the screwed Eliminate mother. This shortening of the screw shaft often damages the screw thread so that loosening and tightening the nut again damaged thread fails.

When soldering, the two parts of the glasses to be fastened together become permanent and inextricably linked (only if damage is accepted), by using a suitable solder, which is melted, an intimate Material connection is established.

These known fasteners are difficult and time-consuming to use.

In addition, a fastening means is known from US Pat. No. 5,805,257 ches has a first fastener on which a plurality of external tooth-like projections is formed, and has a second fastening element, on which a through hole is formed, in which a plurality of inner the tooth-like projections is formed so that when inserted into one another an engagement of the two fastening elements can be produced. This attachment medium is inserted into corresponding holes on the divided frame and inserted into each other. When pushing the two fasteners ge the respective tooth-like projections engage one after the other until the glasses lenrahmen is merged in this way at the division.

The handling of this fastener known from the US-PS is complicated and because of the narrow holes in which the fasteners are inserted, difficult to fix.  

In contrast, the object of the present invention is a fastener to create for glasses parts, which allows a simple and quick attachment and is constructed and manufactured as simply as possible.

To achieve this object, the invention provides that in claim 1 or 27 given characteristics. Advantageous refinements of this are in the others Claims specified.

A major advantage of the fastener according to the invention is the simple unit of fastening different glasses parts; according to the invention, the fastening element only has to be inserted into the opening of a spectacle part, where for the most part this pushing together can be carried out without a tool and only at the end of the movement of the pushing together a pair of pliers or a pen-shaped tool is helpful. Another advantage is that in the embodiment shown in Fig. 1, a temple of the glasses can be attached directly to a head part of the fastener and by the free rotatability of the fastening means, seen relative to the fixed eyeglass frame, the hinge on the eyeglass temple can be saved can.

Accordingly, the fastener for glasses parts is characterized in that the Fastening means comprises a fastener, this fastening element ment has at least one substantially tooth-like projection, so that at one Inserting the fastener into an opening on a spectacle part an reached between the at least one tooth-like projection and the opening is adjustable.

It is particularly advantageous if the fastening element according to Patentan saying 28 is slotted so that the insertion into the opening due to the Federwir kung (compression of the sections of the armor lying on both sides of the slot Stigungselements) is facilitated and after inserting the opening as a result this spring action, the fastener springs open and is fixed in the opening.  

Cutting the fastener to a length that no longer bothers, i.e. that is the first fastening element no longer has the second fastening element protrudes, can no longer damage threads.

In addition, the loosening or loosening that can often be found in screw connections the screw connection after a long time in the fastening according to the invention means no longer possible.

The above task, the features and advantages of the present invention can take into account the following detailed description of the preferred embodiments of the present invention and with reference be better understood on the accompanying drawings.

The invention is explained in more detail below with reference to the drawings. This time gen in:

Figure 1 is a partial view of a pair of glasses or a spectacle lens, with frame parts attached to each other by means of the fastening means according to the invention.

Fig. 2 are each an enlarged perspective view and cross-sectional view of a portion of the fastening means according to the invention;

Fig. 3 is a partial view of a pair of glasses or a spectacle lens, frame parts are attached by means of a second embodiment of the fastening means according to the invention;

Fig. 4 is an enlarged partial perspective view of the fastener of Fig. 3;

Fig. 5 is an enlarged partial cross-sectional view of the fastening means according to the invention according to the present invention, but in a further preferred embodiment;

FIG. 6 shows a further cross-sectional view of the fastening means according to FIG. 5;

Fig. 7 is a perspective view of a fourth embodiment according to the present invention;

Fig. 8 is a view of a fifth embodiment according to the present invention; and

Fig. 9 is a hand sketch of a hinge of glasses on which the fastening means is preferably used.

The present invention will follow based on several embodiments are explained, these embodiments on different components len glasses can be used. Of course, a combination of the different embodiments possible.

In Fig. 1, the fastener according to the invention is shown in a first before ferred embodiment.

An upper frame part 5 and a lower frame part 5 for an eyeglass lens 6 are partially shown there. An extension 18 is provided on each frame part 5 , which serves to fix the two frame parts 5 to one another so that the spectacle lens 6 can be held between the two frame parts 5 .

The two extensions 18 can be connected to one another by means of the fastening according to the invention. For this purpose, a first fastening element 1 , which in the embodiment shown is pin-shaped and has a plurality of projections 15 , is inserted through the extension 18 of the upper (in FIG. 1) fitting part 5 , which has a corresponding opening for this purpose.

A second fastening element 2 of the fastening means is provided on the extension 18 of the lower frame part 5 . The first fastening element 1 is inserted through a corresponding opening in the extension 18 of the lower frame part 5 and through an opening 16 (see also FIG. 2) in the second fastening element 2 .

In the second fastening element 2 there is a constriction 9 of the cross section of the opening 16 , the projections 15 being able to slide over the constriction 9 by pressure in the axial direction and from above onto the first fastening element 1 . A backward movement of the first fastening element 1 is excluded by the shape of the projections 15 .

The projections 15 are chamfered in the direction in which the engagement with the constriction 9 is provided, while a straight surface is provided in the opposite direction, which is arranged perpendicular to the direction of insertion.

In Fig. 1 a rectangular recess for a head part 3 of the first fastening element 1 is provided on the upper extension 18. When the first Fixed To restriction member 1 with the second fastening element 2 so far together quantitative scho ben that the two extensions 18 of the two frame parts 5 contact each other, thus enters the head part 3 in this rectangular recess. A rotation of the first fastening element 1 is then excluded.

With some glasses, however, it may be necessary that the first Befestigungsele element 1 is rotatably arranged on the frame or the frame of the glasses. Then this rectangular recess should be omitted and the head part 3 should rest directly on the smooth surface of the upper extension 18 .

An opening 4 is provided on the head part 3 . This opening 4 is the Aufnah me part of a temple (not shown). Is the head part 3 with the most fastener 1 rotatable together on the two frame parts 5 fi xed, so the hinge on the temple can be saved on the free rotation of the fastener. The temple can be pivoted around the fastener as a fulcrum.

In a preferred embodiment, the second fastening element 2 is made of plastic. The elasticity of the plastic allows the jumps 15 to snap or snap over the constriction 9 . The second 2 fastening element can then have an annular shape.

In another embodiment, the second fastening element 2 can be slotted. In particular, if the second fastening element 2 is made of metal and the constriction 9 is formed in the interior of an opening 16 as a circumferential rib, the required elasticity is not given. Then the second fastening element 2 is preferably provided with a slot 8 which secures the elasticity of the second fastening element 2 .

The fastening means according to the invention essentially consist of two fastening elements, namely the first fastening element 1 , which is pin-shaped, has the head part 3 , and the second fastening element 2 , which is sleeve-shaped and has the opening 16 with the constriction 9 .

The fastener described so far can therefore be a screw-nut Replace connection on a locking block.

In a second embodiment according to the present invention, which is shown in FIGS. 3 and 4, the fastening means according to the invention is used for fastening an eyeglass lens 6 to an upper frame part 5 . The lower frame part, as provided in FIG. 1, is replaced according to FIG. 3 by a thread 7 made of nylon (so-called nylor glasses). This thread 7 runs at least partially in a groove on the edge of the spectacle lens 6 . The determination of the end of the thread 7 he follows in a bore or opening 10 of the head part of the first fastening element 1 The thread 7 is introduced in the direction of the arrow according to FIG. 4 into the opening 10 and fixed there.

By pushing the first fastening element 1 (in FIG. 3 upwards) into the second fastening element 2 , which is arranged on the upper frame part 5 on the corresponding extension, the spectacle lens 6 is fixed between the frame part 5 and thread 7 . The thread 7 and the socket part 5 are firmly connected to one another by the fastening means according to the invention. Post-combination of the head portion 3 menführen the first fastening element 1 to the underside of the extension of the holding part 5 can be shortened up excess length of the first fastening element. 1

The nylon thread 7 can be set by a thin wire, preferably made of stainless steel.

As can be clearly seen from the previous description of the embodiments, different eyeglass parts can be fastened to one another with the fastening means according to the invention. For this purpose, the fastening means comprises two mounting elements 1 and 2 which can be engaged with each other, preferably, the two fasteners 1 and 2 engage one another, wherein several re detent positions in the insertion direction behind the other are provided.

The fastening means according to the invention does not necessarily have to have the pin-shaped first fastening element 1 and the sleeve-shaped second fastening element 2 . These two fasteners can also be provided in their shape. For this purpose, reference is made to the further embodiment according to FIGS. 5 and 6.

There, the first fastening element 14 is designed as a substantially T-shaped fastening element in cross section, which can run on the edge of an eyeglass lens 6 and engages in a groove on the edge of the eyeglass lens 6 with one leg.

The projections 15 can be formed on the outside (based on the spectacle lens 6 ) or on the inside of the first fastening element 14 . The internal projections are designated 15 'in FIG. 5. In the event that the projections 15 are arranged on the outside of the first fastening element 14 , these projections 15 arrive at a second fastening with a constriction 9 . Stigungselement 17 in engagement, as shown in FIG. 6.

By inserting the first fastening element 14 into the second fastening element 17 , namely in the opening 16 , the projections 15 snap behind the constriction 9 ; the second fastening element 17 can be provided as part of the eyeglass frame or the frame, so that in this embodiment the glasses len 6 can be easily fixed to the frame by means of the first fastening element 14 .

In Fig. 7, another embodiment is provided according to the present invention.

There is a web 12 or two webs 12 are attached directly to an eyeglass lens 6 . An eyeglass temple 11 is attached to the webs 12 . The two webs 12 are each Weil with a fastener according to the invention, consisting of a first fastening element with a head part 13 and a second Befestigungsele element, which has the narrowed opening, fixed to the lens 6 . Under the head part 13 , a section of the first fastening element extends through a hole in the spectacle lens 6 , this section carrying the projections. The second fastening element is arranged on the back of the spectacle lens 6 . By locking the first fastening element with the second fastening element, the web 12 is fixed to the spectacle lens 6 . The two webs 12 secure the eyeglass temple 11 against rotation relative to the eyeglass lens 6 .

The fifth embodiment according to the present invention is shown in FIG. 8.

There, the fastening element 20 is shown in a form that is particularly easy to handle and to manufacture. At one end of the fastener 20 is the head part 3 , while at the opposite end of the fastening supply element 20, a projection 15 is shown in the form of a circumferential tooth. At this end also begins a slot 19 which divides the pin-shaped section of the fastening element 20 .

In the preferred embodiment shown, the slot 19 extends over approximately ¾ the length of the pin-shaped section of the fastening element 20 . At 16 is. the opening is indicated in one piece of glasses or in several pieces of glasses that are to be connected to one another.

The fastening element 20 according to FIG. 8 is inserted into the opening 16 from the right, the pin-shaped section being compressible as a result of the slitting and thus being able to be simply inserted into the opening 16 . After the loading fastener 20 is inserted into the opening 16 and is pushed through the opening 16 ; in the simplest case by hand, the pin-shaped section springs back due to the inherent elasticity, ie apart (as shown in FIG. 8), and the tooth-like projection 15 engages behind the left edge of the opening 16 .

A three-part spectacle part is indicated in the upper half of FIG. 8, the opening 16 running through all three spectacle parts A, B and C. By the fastening element 20, the three parts A, B, C are fixed to each other, but remain around the axis of the fastening element 20 rotatable.

For an eyeglass hinge 21 , which is shown in perspective in a hand sketch in FIG. 9, the fastening means according to the invention can be used particularly easily.

On a frame part 5 of a pair of glasses (on the left in FIG. 9), in the embodiment shown, a fastening element 17 is formed as a single piece as an annular component. The fastener 17 is hen hen twice and at a distance from each other, wherein between the two (spaced one above the other) fastening elements 17, a rotary section 26 of a temple 11 is arranged.

Through all three components, the two fastening elements 17 and the rotary section 26 , an opening 16 runs , which is designed as a continuous bore.

The fastening element 20 according to FIG. 8 can be inserted into this opening 16 and thus fix the hinge 21 in the axial direction, the rotary section 26 then remaining rotatable relative to the mounting parts 5 .

A further improvement of the hinge 21 can be achieved if a spring element 22 is arranged within the hinge 21 , which allows the eyeglass temple 11 to be automatically returned to the frame part 5 as soon as the eyeglass temple 11 is pivoted out of the zero position. In the zero position, the spring element 22 does not exert a restoring force on the temple 11 .

An inventive attachment means for eyeglass parts comprises at least one loading fastening element 20, wherein this fixing element 20 has at least one sentlichen in we tooth-like projection 15, so that when inserting the Fixed To restriction member 20 in an opening 16 on a spectacle part, an engagement between the at least one tooth-like projection 15 and the opening 16 can be produced. Before geous enough, a slot 19 may be formed on the fastener 20 .

With regard to features of the invention not explained in detail above is otherwise expressly referred to the claims and the drawings sen.  

Reference list

1

First fastener

2

Second fastener

3rd

Headboard

4

opening

5

Frame part (s)

6

Eyeglass lens

7

thread

8th

slot

9

Narrowing

10th

opening

11

Temple

12th

web

13

Headboard

14

First fastener

15

head Start

15

' Head Start

16

opening

17th

Second fastener

18th

Continuation

19th

slot

20th

First fastener

21

hinge

22

Spring element

26

Section
A, B, C glasses part (s)

Claims (32)

1. fastening means for spectacle parts, with at least one fastening element ( 1 , 2 ; 14 , 17 ; 20 ), a first fastening element ( 1 ; 14 ; 20 ) having at least one substantially tooth-like projection ( 15 ), and a second fastening element ( 2 ; 17 ) represents a constriction ( 9 ), so that when the fastening element ( 1 ; 14 ; 20 ) is inserted into the second fastening element ( 2 ; 17 ), an engagement between the at least one tooth-like projection ( 15 ) and the verenas supply ( 9 ) can be produced, characterized in that the second fastening element ( 1 ; 14 ; 20 ) is designed as an opening ( 16 ) on an eyeglass part. 2. Fastening device according to claim 1, characterized in that the first loading fastening element ( 1 ; 20 ) is substantially pin-shaped with a plurality of projections ( 15 ) equally spaced in the axial direction. 3. Fastening device according to claim 2, characterized in that the first loading fastening element ( 1 ; 20 ) has a head part ( 3 ), which has an enlarged cross section compared to the stiftför shaped section. 4. Fastening means according to one of claims 1 to 3, characterized in that the opening ( 16 ) is provided as a through hole in which the constriction ( 9 ) is formed. 5. Fastening device according to one of claims 1 to 3, characterized in that the second fastening element ( 2 ) is substantially disc-shaped and has an axially extending slot ( 8 ), the opening ( 16 ) as a through opening with an inner, radially projecting Rib is provided as a constriction ( 9 ). 6. Fastening device according to one of claims 3 to 5, characterized in that the head part ( 3 ) has an opening ( 4 ; 10 ). 7. Fastening device according to claim 6, characterized in that the opening ( 4 ) is provided for receiving and fastening an eyeglass temple. 8. Fastening device according to claim 6, characterized in that the opening ( 10 ) is provided for receiving and fastening a thread ( 7 ) or wire. 9. Fastening means according to one of claims 1 to 8, characterized in that the spectacle parts to be fastened to one another comprise, for example, frame parts ( 5 ), spectacle lenses ( 6 ), spectacle arms ( 11 ), webs ( 12 ), nose bridges, etc. 10. Fastening device according to claim 1, characterized in that the first fastening element ( 14 ) is designed as a cross-section substantially T-shaped holding member which at least in sections in the axial direction stands equally a plurality of projections ( 15 ; 15 '). 11. The fastener of claim 1 or 10, characterized in that the projections (15; 15 ') faces, or a spectacle lens (6) a spectacle lens (6) from turning on the first attachment member (14) are formed. 12. Fastening device according to one of claims 1 and 10 or 11, characterized in that the second fastening element ( 17 ) is part of an eyeglass frame. 13. Fastening device according to one of claims 10 to 12, characterized in that the first fastening element ( 14 ) on the edge of a spectacle lens ( 6 ) can be arranged such that a portion of the first fastening element ( 14 ) in an edge-side groove of the spectacle lens ( 6 ) intervenes. 14. Fastening device according to one of claims 1 to 13, characterized in that the first fastening element ( 1 ; 14 ; 20 ) is made of metal or plastic and the second fastening element ( 2 ; 17 ) is made of metal or plastic. 15. Fastening device according to one of claims 1 to 14, characterized in that the first fastening element ( 1 ; 20 ) is made of metal and the second fastening element ( 2 ) is made of metal or plastic. 16. Fastening device according to one of claims 1 to 14, characterized in that the first fastening element ( 14 ; 20 ) is made of plastic and the second fastening element ( 17 ) is made of metal. 17. Fastening device according to one of claims 8 to 16, characterized in that the thread ( 7 ) consists of nylon. 18. Fastening device according to one of claims 8 to 17, characterized in that the wire is made of stainless steel. 19. Fastening device according to one of claims 1 to 9, characterized in that the first fastening element ( 1 ; 20 ) is rotatably ausgebil det about its longitudinal axis. 20. Fastening device according to claim 19, characterized in that on the head part ( 3 ) of the first fastening element ( 1 ; 20 ) an eyeglass temple can be fastened, with the pivoting of the first fastening element ( 1 ; 20 ) allowing the eyeglass temple to be pivoted. 21. Fastening device according to one of claims 1 to 5, characterized in that the first fastening element ( 1 ; 20 ) passes through an opening in a spectacle lens ( 6 ). 22. Fastening device according to claim 21, characterized in that the head part ( 13 ) of the first fastening element ( 1 ; 20 ) fixes a web ( 12 ) of an eyeglass temple ( 11 ) on the spectacle lens ( 6 ), the second fastening element ( 2 ) on the is arranged opposite the side of the spectacle lens ( 6 ) or is formed by the spectacle lens ( 6 ) itself. 23. Fastening means according to claim 22, characterized in that two webs ( 12 ) are provided, each of which is fi xed by a fastening means on the spectacle lens ( 6 ). 24. Fastening means according to one of claims 1 to 23, characterized in that the first fastening element ( 20 ) has a slot ( 19 ) extending in the axial direction. 25. Fastening device according to claim 24, characterized in that the slot ( 19 ) is formed on the pin-shaped section of the fastening element ( 20 ) and extends over approximately 3/4 of the axial length of the pin-shaped section, starting at the end section which corresponds to the head part ( 3 ) of the fastener ( 20 ) against. 26. Fastening device according to one of claims 1 to 25, characterized in that a tooth-like projection ( 15 ) is formed on the fastening element ( 20 ). 27, fastening means for eyeglass parts, whereby this fastener supply element a Fixed To (20), characterized in that the fastening element (20) has at least one essentially tooth-like projection (15), so that when inserting the fastener (20) into an opening ( 16 ) an engagement between the at least one tooth-like projection ( 15 ) and the opening ( 16 ) can be produced on a pair of glasses. 28. Fastening means according to claim 27, characterized in that the fastening supply element ( 20 ) has a slot ( 19 ) extending in the axial direction. 29. Fastening device according to claim 28, characterized in that the slot ( 19 ) is formed on a pin-shaped section of the fastening element ( 20 ) and extends over approximately 3/4 of the axial length of the pin-shaped section, starting at the end section which is a head part ( 3 ) of the fastener ( 20 ) against. 30. Fastening device according to one of claims 27 to 29, characterized in that the fastening element ( 20 ) is made of steel. 31. Fastening device according to one of claims 29 or 30, characterized in that the fastening element ( 20 ) extends completely through the opening ( 16 ) and the projection ( 15 ) engages behind an edge of one end of the opening ( 16 ) while the head part ( 3 ) at the other end of the opening ( 16 ). 32. Fastening means according to one of claims 27 to 31, characterized in that the opening ( 16 ) runs through a plurality of spectacle parts to be connected to one another.