Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Temples
Reexamination Certificate
2002-03-12
2002-09-24
Dang, Hung Xuan (Department: 2873)
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Temples
C351S119000
Reexamination Certificate
active
06454406
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to eyeglasses and, more particularly, to an adjustable temple mounting arrangement for eyeglasses, which is easy and inexpensive to manufacture and, enables the user to adjust the angular position of the temple conveniently.
2. Description of the Related Art
A variety of eyeglasses have been developed for different purposes, for example, for protecting the eyes against the radiation of the sun or fire or correcting the visual power of the eyes. The temples of regular eyeglasses are not adjustable. When not fit the desired angle, the temples must be properly deformed. There are also known eyeglasses with adjustable temples that enable the user to adjust the angular position of the temples for a comfortable wearing.
FIG. 1
is an exploded view of an adjustable temple mounting structure for eyeglasses according to the prior art. According to this design, the rim
100
has a locating hole
101
in the endpiece thereof for the positioning of a mounting block
200
. The mounting block
200
has a coupling hole
201
extended through the rear side thereof and a plurality of retaining grooves
202
inside the coupling hole
201
. The temple
300
has a front coupling end
301
coupled to a coupling block
302
, which is coupled to the mounting block
200
through a connecting bar
400
. The coupling block
302
has two front lugs
303
pivoted to the rear end
401
of the connecting bar
400
. The connecting bar
400
is inserted into the coupling hole
201
of the mounting block
200
, having a front tooth
402
forced into engagement with the retaining grooves
202
of the mounting block
200
. When adjusting the angular position of the temple
300
, turn the temple
300
relative to the rim
100
to shift the engagement of the tooth
402
from one retaining groove
202
to another (see FIG.
2
). This design of adjustable temple mounting arrangement is still not satisfactory in function. The drawbacks of this design of adjustable temple mounting arrangement are numerous as follows:
1. Because this design of adjustable temple mounting arrangement is comprised of a number of parts including the rim
100
, the mounting block
200
, the connecting bar
400
, the coupling block
302
, and the temple
300
, the assembly process is complicated and consumes much labor.
2. Because the rim
100
, the mounting block
200
, the connecting bar
400
, the coupling block
302
, and the temple
300
must be separately fabricated with different molds, the manufacturing cost is high.
3. Because the tooth
402
of the connecting bar
400
is obliquely engaged into the retaining grooves
202
of the mounting block
200
when adjusting the angular position of the temple
300
, the connecting bar
400
tends to be disengaged from the retaining grooves
202
of the mounting block
200
, causing a vibration.
4. Because the mounting block
200
is rigid and not compressible, the tooth
402
tends to break when adjusting the angular position of the temple
300
.
SUMMARY OF THE INVENTION
The present invention has been accomplished to provide an adjustable temple mounting arrangement for eyeglasses, which eliminates the aforesaid drawbacks.
It is one object of the present invention to provide an adjustable temple mounting arrangement, which has a simple structure.
It is another object of the present invention to provide an adjustable temple mounting arrangement, which is easy and inexpensive to manufacture.
It is still another object of the present invention to provide an adjustable temple mounting arrangement, which enables the user to conveniently adjust the angular position of the temple.
It is still another object of the present invention to provide an adjustable temple mounting arrangement, which is durable in use.
To achieve these and other objects of the present invention, the adjustable temple mounting arrangement comprises a rim holding a glass lens, a temple, and a flexible coupling block coupled between the rim and the temple for enabling the temple to be adjusted to one of a series of angular positions. The coupling block has a front lug pivoted to the rim, a rear receiving open chamber, a pivot hole in communication with the rear receiving open chamber at one side, and a plurality of retaining grooves disposed in a smoothly arched inside wall thereof in an inner side of the receiving open chamber. The temple has a front butt-strap inserted into the receiving open chamber of the coupling block. The butt-strap comprises a short pivot rod pivoted to the pivot hole of the coupling block, and a plurality of teeth forwardly extended from a convex front end thereof and forced into engagement with the retaining grooves of the coupling block. Further, the coupling block has a transverse slot, which makes the coupling block compressible.
REFERENCES:
patent: 6332681 (2001-12-01), Li
Dang Hung Xuan
Pro-Techtor Inter-national Services
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