# Patent

## Title
Eyeglasses having a detachable second frame

## Abstract

A pair of improved eyeglasses is disclosed. The eyeglasses comprises a first frame including a left opening and a right opening, a detachable second frame including two lenses aligned with the openings, a projected rim, a groove surrounded by the rim with the first frame being fitted therein by snapping, and two pairs of an upper tab and a lower tab forward the groove by a predetermined distance for fastening the first frame at the groove, and two temples pivotably coupled to ends of the first frame.

## Background
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to eyeglasses and more particularly to a pair of eyeglasses having a detachable second frame having, for example, tinted lenses.
2. Description of Related Art
Eyeglasses are well known. Also, a pair of eyeglasses having hinged lenses is well known. One particular type of such eyeglasses is widely used by athlete in which in use, the lenses are pivoted from a top edge of the frame to cover openings of the frame. The present inventor thus seeks to provide a pair of eyeglasses having a detachable frame having, for example, tinted lenses for achieving the purposes of protecting the eyes from the sun's glare and many more in an improved way.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide a pair of eyeglasses having a detachable second frame having, for example, tinted lenses so as to achieve the purposes of protecting the eyes from the sun's glare and many more.
To achieve the above and other objects, the present invention provides a pair of eyeglasses comprising a first frame including a left opening and a right opening; a second frame including two lenses aligned with the openings, a projected rim, a groove surrounded by the rim with the first frame being fitted therein by snapping, and two pairs of an upper tab and a lower tab forward the groove by a predetermined distance for fastening the first frame at the groove; and two temples pivotably coupled to ends of the first frame.
The above and other objects, features and advantages of the present invention will become apparent from the following detailed description taken with the accompanying drawings.



BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is an exploded, perspective view of a preferred embodiment of eyeglasses according to the invention;
FIG. 2 is a perspective view of the assembled eyeglasses; and
FIG. 3 is a cross-sectional view taken along upper and lower tabs of frame shown in FIG. 2.



DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
Referring to FIGS. 1, 2, and 3, a pair of eyeglasses in accordance with the invention is shown. The eyeglasses comprises a first frame 1 including left and right first openings 11, a separate second frame 2 including left and right second openings 22 with lenses (e.g., tinted lenses) fitted therein, a projected rim 24, a groove 25 surrounded by the rim 24 with the first frame 1 being fitted therein, and two pairs of upper and lower tabs 23 forward the groove 25 by a suitable distance for tightly fastening the first frame 1 at the groove 25, and two temples 12 pivotably coupled to ends of the first frame 1. Further, the lenses fitted in the second frame 2 are appropriately disposed in front of the openings 11 to enable a wearer to see clearly. Such detachable frame thus provides another advantage sought by some people.
While the invention herein disclosed has been described by means of specific embodiments, numerous modifications and variations could be made thereto by those skilled in the art without departing from the scope and spirit of the invention set forth in the claims.

## Claims

1. A pair of eyeglasses, comprising:
a first frame including a left opening and a right opening; 
a second frame including two lenses aligned with the openings, a projected rim, a groove surrounded by the rim with the first frame being fitted therein by snapping, and two pairs of an upper tab and a lower tab forward the groove by a predetermined distance for fastening the first frame at the groove; and 
two temples pivotably coupled to ends of the first frame.