Patent Application
20230393416
The present invention relates to a pair of eyeglasses, especially to a pair of eyeglasses which includes a movable tenon-like piece able to be moved directly for fixing or releasing a lens mounted in a mounting slot of a frame.
Among glasses available on the market now, some glasses include lenses able to be assembled and disassembled. Thus users can replace the lenses not only according to conditions and occasions but also when the lens is damaged so as to avoid waste of resources, reduce replacement cost, and enhance economic efficiency.
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In the above two glasses, designs and styles of a lower edge of the lens are limited. Thus there is room for improvement and there is a need to provide a pair of glasses with novel structure.
Therefore, it is a primary object of the present invention to provide a pair of eyeglasses which includes a movable tenon-like piece disposed on a surface of a rear wall of a frame close to human face. Thus the movable tenon-like piece will not be exposed for aesthetic purposes while viewing a front side of the frame and higher business value is obtained. Moreover, assembly and disassembly of the eyeglasses are quite convenient, able to be performed easily,
In order to achieve the above objects, a pair of eyeglasses according to the present invention includes a frame, a lens, and a movable tenon-like piece.
The frame is composed of a front wall, a rear wall, a top wall used for connecting the front wall and the rear wall, a mounting slot defined by the front wall, the rear wall, and the top wall and having an opening facing downward, an insertion hole disposed on the rear wall and corresponding to a nasal bridge of a human face, and a recessed hole arranged at a surface of the front wall facing the mounting slot and corresponding to the insertion hole. The insertion hole is communicating with the mounting slot.
A notch which is formed on an upper edge of the lens at a position corresponding to the nasal bridge of the human face and penetrating the lens is composed of an insertion portion with an opening facing upward and a locking portion located at a lower part of the insertion portion and recessed laterally toward a first direction.
The movable tenon-like piece consists of a pull portion, a mounting block projecting from one side thereof away from the user's face, a through hole formed at a middle portion of the mounting block, and a hooklike portion which is extended from the pull portion, corresponding to the through hole and having a free end and a fixed end opposite to the free end. The fixed end is connected to the pull portion. The pull portion is having sectional area in the vertical direction larger than a sectional area of the insertion hole. The hooklike portion further includes a pin and a hook which is located at the free end of the hooklike portion.
The mounting block of the movable tenon-like piece is inserted through the insertion hole, the mounting slot, and mounted into the recessed hole. The hook of the movable tenon-like piece is hooked on an inner surface of the rear wall. Then the upper edge of the lens is mounted into the mounting slot. When the opening on the insertion portion of the lens is aligned with the mounting block of the movable tenon-like piece, the movable tenon-like piece is just at an unlocked-and-released position. Under such state, the lens and the frame can be separated from each other. When the movable tenon-like piece is pulled laterally toward the first direction for allowing the mounting block being inserted into the locking portion, the movable tenon-like piece is at a locked-and-fixed position. Under such state, the lens and the frame are unable to be separated from each other.
Preferably, the rear wall is provided with an unlocking positioning slot and a locking positioning slot respectively corresponding to the unlocked-and-released position and the locked-and-fixed position between which the movable tenon-like piece is switched. The pin is mounted in the unlocking positioning slot when the movable tenon-like piece is moved to the unlocked-and-released position while the pin is engaged in the locking positioning slot when the movable tenon-like piece is moved to the locked-and-fixed position.
Preferably, a surface of the rear wall of the frame facing the user's face and corresponding to the nasal bridge of the human face is provided with a concave area. The insertion hole is located within the concave area and the pull portion is mounted in the concave area.
The present eyeglasses have the following advantages.
The structure and the technical means adopted by the present invention to achieve the above and other objects can be best understood by referring to the following detailed description of the preferred embodiments and the accompanying drawings, wherein:
In order to learn technical features and functions of the present invention, please refer to the following embodiments with detailed descriptions, related figures and reference signs.
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A notch 21 is formed on an upper edge of the lens 2 at a position corresponding to the nasal bridge of the human face and composed of an insertion portion 211 with an opening facing upward and a locking portion 212 located at a lower part of the insertion portion 211 and recessed laterally toward a first direction. The upper edge of the lens 2 is mounted into the mounting slot 14 of the frame 1 and the notch 21 of the lens 2 is aligned with both the insertion hole 15 and the recessed hole 16 of the frame 1 under such condition.
The movable tenon-like piece 3 is composed of a pull portion 31, a mounting block 32, a through hole 33, and a hooklike portion 34. The pull portion 31 is having sectional area in the vertical direction larger than a size of the insertion hole 15 so that the movable tenon-like piece 3 will not be fallen into the mounting slot 14 of the frame 1 completely. The mounting block 32 is projecting from one side of the movable tenon-like piece 3 which is away from the user's face and the through hole 33 is formed at the middle portion of the mounting block 32. The hooklike portion 34 is extended from the pull portion 31 of the movable tenon-like piece 3, corresponding to the through hole 33 and having a free end and a fixed end which is opposite to the free end and connected to the pull portion 31. The free end of the hooklike portion 34 is flexible. The hooklike portion 34 consists of a pin 341 and a hook 342 which is located at the free end of the hooklike portion 34. After the mounting block 32 of the movable tenon-like piece 3 being inserted through the insertion hole the mounting slot 14, and then mounted into the recessed hole 16, the movable tenon-like piece 3 can be moved horizontally to be switched between an unlocked-and-released position and a locked-and-fixed position at which the movable tenon-like piece 3 is unlocked or locked respectively.
While being assembled, as shown in
In a preferred embodiment, refer to
In a preferred embodiment, a surface of the rear wall 12 of the frame 1 facing the user's face and corresponding to the nasal bridge is provided with a concave area 17 (as shown in
Additional advantages and modifications will readily occur to those skilled in the art. Therefore, the invention in its broader aspects is not limited to the specific details, and representative devices shown and described herein. Accordingly, various modifications may be made without departing from the spirit or scope of the general inventive concept as defined by the appended claims and their equivalent.
