JP3027573B1 - Eyeglass temple outward expansion device - Google Patents

Abstract

The present invention provides an eyeglass temple outwardly expanding device in which an ear hanging temple can be elastically expanded outward from a position where the eyeglasses stand still with respect to an eyeglass front. A first piece (7) formed inside an end piece (4) at both left and right ends of an eyeglass front (2), a second piece (9) formed inside a base of the ear hanging temple (5), and a second piece (9). Either one of the piece portions 7 and the second piece portion 9 is provided with a long hole, and the other is provided with a connecting shaft 11 inserted through the long hole and rotatably connecting the two pieces. Spring 12 associated with 11
The connecting shaft 11 is located in the first region of the elongated hole when the ear-hook temple 5 is at the position of the eyeglasses standing state with respect to the spectacle front 2, and the ear-hook temple 5 expands outward. In some cases, the spring 12 is deformed by being located on the second region side of the long hole, so as to apply a restoring force to the ear hanging temple 5 in the direction of the eyeglasses standing state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an eyeglass temple expanding apparatus for elastically expanding an ear-hook temple outward from a position where the eyeglasses stand still with respect to the front of the eyeglasses.

[0002]

2. Description of the Related Art Usually, when putting on or taking off glasses, the ear-hook temple may be forcibly expanded outward, and the front of the eye-hook, the ear-hook temple, or a connecting portion of the two may be deformed or damaged. In order to prevent the eyeglass front, a coil spring is provided at the base of the ear-hook temple so that the ear-hook temple can be elastically expanded outward from the position of the eyeglasses standing state, or a leaf spring slide mechanism. Things are being developed.

[0003]

In such a structure, the structure is complicated, so that the number of parts is large, and the assembling and repair are complicated. There is a problem that it may be necessary to replace the entire earhook temple together.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has a simple structure, few failures, easy assembly and repair, suitable for low-cost manufacturing, lightweight, and compact. An object of the present invention is to provide an outwardly expanding device for an eyeglass temple with a comfortable feeling.

[0005]

According to the present invention, as a specific means for solving the above-mentioned problem, an ear-hook temple can be elastically expanded outward from a position where the eyeglasses stand still with respect to the front of the eyeglasses. An eyeglass temple outward expanding device configured as described above, wherein a first piece formed inside the end pieces at the left and right ends of the eyeglass front, and a second piece formed inside the base of the ear hanging temple. And a connecting shaft that is provided with an elongated hole in one of the first and second pieces and the other is inserted through the elongated hole to rotatably connect the two pieces. Is provided, and a spring related to the connection shaft is attached to the long hole.
Elastically inserted and arranged in a groove to be opened , the connecting shaft is located in the first region of the elongated hole when the ear hanging temple is in a position of the eyeglasses standing state with respect to the eyeglass front,
When the ear-hook temple is expanded outward, the spring is deformed by being located on the second region side of the long hole, thereby giving the ear-hook temple a restoring force in the direction of the eyeglasses stationary state. It is an object of the present invention to provide an eyeglass temple outward expanding device having the above configuration.

[0006]

Next, an embodiment of the present invention will be described. FIG. 1 is a front perspective view of spectacles according to the present invention, wherein 1 is a spectacle frame, the main part of which is a spectacle front 2 holding left and right lenses 3, 3 and end pieces 4 on both right and left ends of the spectacle front 2. , 4 and ear nose temples 5, and nose pad 6, 6. FIG.
9 show the first embodiment of the present invention, and FIG.
Is a plan view of a piece portion of the end piece 4 of the spectacle front 2,
FIG. 3 is a plan view of the bridge portion of the ear hanging temple 5, FIG. 4 is a perspective view of a spring portion of the bridge portion of the ear hanging temple 5, and FIG. FIG. 6 is a perspective view of the two pieces in FIG. 5, and FIG.
8 is a plan view of the two pieces in a state where they are expanded outward, FIG. 8 is a perspective view of the two pieces in FIG. 7, and FIG. FIG. 10 to 12 show a second embodiment of the present invention. FIG. 10 is a plan view of a piece portion of the end piece 4 of the spectacle front 2, FIG. 11 is a plan view of a piece portion of the ear hanging temple 5, FIG. 12 is a plan view of both pieces in a state where the ear hanging temple 5 is expanded outward with respect to the spectacle front 2. 13 to 15 show a third embodiment of the present invention. FIG. 13 is a plan view of both pieces in a state where the spectacle front 2 and the ear hanging temple 5 are combined, and FIG. On the other hand, a plan view of both pieces in a state where the ear-hook temple 5 is expanded outward, and FIG. 15 is a longitudinal section showing a connection shaft and a spring in a state where the eyeglass front 2 and the ear-hook temple 5 are combined. FIG.

A first embodiment of the present invention is an eyeglass temple outward expanding device in which an ear hanging temple is configured to be elastically expandable outward from a position where the eyeglasses are left standing with respect to an eyeglass front. A first piece formed inside the end pieces at the left and right ends of the front of the glasses, a second piece formed inside the base of the ear hanging temple, and a second piece formed on the second piece. A long hole, a connecting shaft inserted into the long hole and provided on the first piece so as to rotatably connect the two pieces, and a spring associated with the connecting shaft provided on the second piece. The connection shaft is located in the first region of the elongated hole when the ear-hook temple is at the position of the eyeglasses standing state with respect to the eyeglass front, and extends outwardly of the ear-hook temple. Deforming the spring located on the second region side of the elongated hole when opened More an outwardly expanding device for glasses temples that enables elastic expansion outward direction of the ear hook temple.

FIG. 2 shows the details of the first embodiment of the present invention.
This will be described with reference to FIGS. 2 to 9 show a left side portion of the eyeglasses in a front view, and a right side portion is omitted because it has the same configuration. In the figure, the spectacles front 2 projects inside the end pieces 4 at the left and right ends thereof and has first pieces 7 respectively, and also projects inside the base 8 of the left and right ear hanging temples 5 to form second pieces respectively. 9 As shown in FIG. 8, the first piece 7 is composed of a pair of upper and lower parts, and the second piece 9 is arranged in the middle. A long hole 10 which is long in the front-rear direction is formed in each of the second piece portions 9, and each of the first piece portions 7 is inserted through the long hole 10 to rotatably connect the two piece portions 7 and 9. A connecting shaft 11 fixed by screws to the first piece 7 is provided. The second piece 9 is provided with a spring 12 related to the connecting shaft 11. The spring 12 is formed along the long hole 10 at the upper and lower middle part of the second piece 9, The two end portions 20 and 21 have a wavy shape as shown in FIG. 3 so as to be opposed to the middle portion of the long hole 10. Extends to.

In such a configuration, as shown in FIG.
When the ear hanging temple 5 is at the position of the eyeglasses standing state with respect to the eyeglass front 2, the connecting shaft 11 is located in the first region 14 of the elongated hole 10 (the opposite side of the spring 12 in the drawing). ing. In this state, the connecting shaft 11 may or may not be in contact with the spring 12, but in order to prevent the ear hanging temple 5 from rattling in the eyeglasses standing state, the spring 12 and the connecting shaft 11 must be in contact with each other. It is better to be in a slightly hit state. Next, a force for expanding the ear-hook temple 5 outwardly is applied to the spectacle front 2 so that the front end 16 of the base 8 of the ear-hook temple 5 is supported by the rear end 17 of the end piece 4 as a fulcrum. Are pivoted outward, and with this rotation, the distal ends 20 and 21 of the spring 12 extending to the intermediate portion of the elongated hole 10 are gradually pressed by the connecting shaft 11, and the ear-hanging temple 5 as shown in FIG. Are expanded outward by a predetermined angle. That is, in this state,
The connecting shaft 11 extends from the first region 14 to the second region 15 of the slot 10.
(In the drawing, the insertion side of the spring 12). When the outward expanding force on the ear-hung temple 5 is released in this state, the connecting shaft 11 is pressed by the returning force of the spring 12, and the ear-hung temple 5 is in the position where the eyeglasses are still as shown in FIG. Return to.

FIG. 9 shows a state in which the ear hanging temple 5 is folded with respect to the spectacle front 2. In this state,
Since the connecting shaft 11 remains in the first region 14 of the long hole 10 and is not subjected to strong bias by the spring 12 in the folding operation as in the case of the outward expanding operation,
The folding operation is also easy.

A second embodiment of the present invention is an outwardly expanding device for an eyeglass temple in which an ear hanging temple can be elastically expanded outward from a position where the eyeglasses stand still with respect to an eyeglass front. A first piece formed inside the end pieces at the left and right ends of the front of the glasses, a second piece formed inside the base of the ear hanging temple, and a first piece formed on the first piece. An elongate hole, a connecting shaft inserted into the elongate hole and provided on the second piece so as to rotatably connect the two pieces, and a spring associated with the connecting shaft provided on the first piece. The connection shaft is located in the first region of the elongated hole when the ear-hook temple is at the position of the eyeglasses standing state with respect to the eyeglass front, and extends outwardly of the ear-hook temple. Deforming the spring located on the second region side of the elongated hole when opened More an outwardly expanding device for glasses temples that enables elastic expansion outward direction of the ear hook temple.

Further, details of a second embodiment of the present invention will be described with reference to FIGS. 10 to 12
Shows the left part in front view of the glasses, and the right part is omitted because it has the same configuration. The difference between the second embodiment and the first embodiment is that the spring 12 is inserted into the elongated hole 10 formed in the first piece 7 and the connecting shaft 11 is provided in the second piece 9. The other points are the same as those of the first embodiment. That is, the first piece 7 is formed with a long hole 10 which is long in the front-rear direction, and the second piece 9 is inserted through the long hole 10 so that both pieces 7 and 9 are formed.
A connecting shaft 11 fixed to the second piece 9 with a screw is provided so as to be rotatable. A spring 12 related to the connecting shaft 11 is provided at a rear portion of the first piece 7.
0 and is inserted and held by utilizing elastic force in a groove 13 opened to the long hole 10, and both tip portions 20 and 21 have a corrugated shape and are provided at an intermediate portion of the long hole 10. Extending.

In such a configuration, the spectacles front 2
On the other hand, when the ear hanging temple 5 is in the position of the eyeglasses standing state, the connecting shaft 11 is located in the first area 14 of the elongated hole 10 (the opposite side of the insertion side of the spring 12 in the figure). In this state, the connecting shaft 11 may or may not be in contact with the spring 12, but in order to prevent rattling of the ear hanging temple 5 in the state where the glasses are kept still, the spring 12
And the connecting shaft 11 should be slightly in contact with each other. Next, a force is applied to the spectacle front 2 to expand the ear-hung temple 5 in the outward direction.
The tip end 16 of the base portion 8 pivots outward with the rear end 17 of the end piece 4 as a fulcrum, and the spring 12 is gradually pressed by the connecting shaft 11 with this rotation, and as shown in FIG. Thus, the ear hanging temple 5 is in a state of expanding outward by a predetermined angle. That is, in this state, the connecting shaft 11 moves from the first region 14 of the long hole 10 to the second region 15.
(In the drawing, the insertion side of the spring 12). When the outward expanding force on the ear-hook temple 5 is released in this state, the connecting shaft 11 is pressed by the return force of the spring 12, and the ear-hook temple 5 returns to the position where the eyeglasses are still. The state where the ear hanging temple 5 is folded with respect to the spectacle front 2 is as follows.
This is the same as in the first embodiment.

Next, a third embodiment of the present invention will be described with reference to FIGS. FIGS. 13 to 15 show the left side portion of the glasses in a front view, and the right side portion is omitted because it has the same configuration. The third embodiment is different from the first embodiment or the second embodiment in the shape of the spring 12 and its holding configuration, and other configurations are the same as those in the first embodiment or the second embodiment. Since the third embodiment is the same as the first embodiment, description thereof will be omitted, and portions different from the first embodiment or the second embodiment will be described. That is, the spring 12 has one end wound around the connecting shaft 11 and the other end formed as a free end, and extends into the groove 13 formed along the periphery of the long hole 10.

In such a configuration, the spectacles front 2
When the ear-hanging temple 5 is in the position of the eyeglasses standing state, the connecting shaft 11 is located in the first region 14 in the elongated hole 10 as shown in FIG. Next, by applying a force that expands outwardly to the ear hanging temple 5, the connecting shaft 11 moves toward the second region 15 of the elongated hole 10, and with this movement, the spring 12 moves the elongated hole 10. Is deformed while moving along the groove 13 so as to surround the second region 15 of the ear-hung temple 5.
Expands outward at a predetermined angle. This state is shown in FIG. In this state, when the outward expanding force on the ear hanging temple 5 is released, the connecting shaft 11 is moved toward the first region 14 of the elongated hole 10 by the restoring force of the spring 12,
The ear hanging temple 5 returns to the position of FIG. 13, that is, the position where the glasses are still.

The present invention, as shown in the above embodiment,
The structure is simple, and the spring is inserted and held in the groove formed along the long hole, so that the assembly related to the connecting shaft is also simple, and the assembly and repair as a whole is easy. For this reason, there are few failures, and weight reduction can be achieved. In addition, since the first and second pieces are formed inside the end piece and the ear hanging temple, respectively, they are excellent in appearance and have a sense of stability in a state where the spectacles are left standing, and are comfortable to wear. The present invention is not limited to the above embodiments, but encompasses various embodiments that are changed or created within the technical scope of the present invention. One of them is the spring 12 shown in each embodiment.
May be either those formed thin have plate spring, or a linear spring material into a predetermined shape. Also, the holding structure can be variously deformed by the shape of the spring.For example, a spring extending in a linear direction toward the second region is attached to the first region of the long hole, and the spring gradually rotates by turning the ear hanging temple. Alternatively, it may be configured to be pressed against.

[0017]

According to the present invention, a first piece formed inside the end pieces at the left and right ends of the front of the glasses, and a second piece formed inside the base of the ear hanging temple. An elongated hole is provided in one of the first piece portion and the second piece portion, and the other is provided with a connecting shaft inserted through the elongated hole and rotatably connecting the two piece portions, A spring associated with a connection shaft, wherein the connection shaft is located in the first region of the elongated hole when the ear-hook temple is at the position of the eyeglasses stationary state with respect to the spectacle front; When expanding outward, the spring is deformed by being located on the second region side of the elongated hole, so that a restoring force is applied to the ear hanging temple in the direction of the eyeglasses stationary state. Simple structure, less trouble, easy to assemble and repair, low Suitable for production in strike can further instrumentation like sense of lightweight provide a comfortable spectacles.

[Brief description of the drawings]

FIG. 1 is a front perspective view of spectacles according to the present invention.

FIG. 2 is a plan view of a piece portion of an end piece of the spectacle front of the present invention.

FIG. 3 is a plan view of a piece portion of the ear hanging temple according to the present invention.

FIG. 4 is a perspective view of a spring portion of a piece portion of the ear hanging temple according to the present invention.

FIG. 5 is a plan view of both pieces in a state in which the spectacles are stationary in which the spectacle front and the ear-hanging temple of the present invention are combined.

FIG. 6 is a perspective view of both pieces in FIG. 5 of the present invention.

FIG. 7 is a plan view of both pieces of the eyeglasses of the present invention in a state where the ear-hanging temple is expanded outward in the front direction.

8 is a perspective view of both pieces in FIG. 7 of the present invention.

FIG. 9 is a plan view of both pieces in a state where the ear hanging temple is folded over the spectacle front of the present invention.

FIG. 10 is a plan view of a piece portion of an end piece of spectacle front according to a second embodiment of the present invention.

FIG. 11 is a plan view of a bridge portion of an ear hanging temple according to a second embodiment of the present invention.

FIG. 12 is a plan view of both pieces of the eyeglass front of the second embodiment of the present invention in a state where the ear hanging temple is expanded outward.

FIG. 13 is a plan view showing a relation between a connection shaft, a spring, and a long hole in a spectacle stationary state in which a spectacle front and an ear hanging temple are combined according to a third embodiment of the present invention.

FIG. 14 is a plan view showing the relationship between a connection shaft, a spring, and a long hole in a state in which an ear hanging temple is expanded outward with respect to the spectacle front according to the third embodiment of the present invention.

FIG. 15 is a vertical cross-sectional view of a connecting shaft portion in a state where an eyeglass front and an ear hanging temple according to a third embodiment of the present invention are combined.

[Explanation of symbols]

 2 front eyeglasses 4 endpiece 5 ear temple 7 first piece 8 base of ear temple 9 second piece 10 long hole 11 connecting shaft 12 Spring 13 ... groove 14 ... first area 15 ... second area

Claims (1)

(57) [Claims] 1. An eyeglass temple outwardly expanding device in which an ear-hook temple can be elastically expanded outward from a position in a state where the eyeglasses stand still with respect to the eyeglass front, wherein the eyeglass temple has left and right ends. A first piece formed inside the piece, a second piece formed inside the base of the ear hanging temple, and one of the first piece and the second piece And a connecting shaft that is inserted into the long hole and rotatably connects the two pieces is provided on the other side, and a spring related to the connecting shaft is elastically provided in a groove that opens into the long hole. To
Inserted and arranged , the connection shaft is located in the first region of the long hole when the ear hanging temple is in the position of the eyeglasses standing state with respect to the eyeglass front, and the ear hanging temple in the outward direction of the ear hanging temple. The outer side of the eyeglass temple, wherein the spring is deformed by being positioned on the second region side of the elongated hole at the time of expansion, thereby applying a restoring force to the ear hanging temple in a direction of the eyeglass stationary state. Direction expansion device.