Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Reexamination Certificate
2000-05-18
2002-01-15
Graham, Gary K. (Department: 1744)
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
C015S250440, C015S250001, C015S250361, CD12S220000
Reexamination Certificate
active
06338177
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an improvement of the windshield wiper frame, and more particularly, to a wiper blade having a well-distributed pressure on the surface of the windshield and an excellent contact therewith. Moreover, the surface of the windshield wiper looks more beautiful.
2. Description of the Prior Art
The frame
7
of a conventional windshield wiper, as shown in
FIG. 9 and 10
, is pivoted with two holders
72
at two ends thereof. Each of the holders
72
is pivoted with a connecting holder
73
at the inner side thereof. The outer side of each holder
72
and the two ends of each connecting holder
73
are fitted with a clamping piece
74
for securing a wiper blade
75
. Each of the clamping pieces
74
is disposed in the same distance so that the wiper blade
75
obtains a well-distributed and close contact with the windshield (G). The pressure of the wiper blade
75
is created by a wiper arm (A) which is joined with the frame
7
by a mounting pin
71
whereby the pressure (F) is well-distributed to the holders
72
at two ends of the frame
7
and the clamping pieces
74
of the connecting holder
73
. However, in the prior art windshield wiper, as shown in
FIG. 11
, the strength of the inverted U-shaped side structure in accordance with the material mechanics is not high. If the strength of the frame
7
in connection with the wiper arm (A) is insufficient, the pressure transmitted to the two ends of the frame
7
will be unbalanced. Therefore, the wiper blade
75
obtains an uneven pressure, and the close contact thereof with the windshield (G) will be influenced and the using life will be reduced.
The outer rim of the frame
7
of the conventional windshield wiper is a metal-punched strip, and it looks very cold and hard without novel and beautiful appearance. Moreover, it's a pity that it has no functions.
SUMMARY OF THE INVENTION
It is a primary object of the present invention to provide a windshield wiper frame which beautifies the whole appearance of the windshield wiper and enhances the warning effect.
It is another object of the present invention to provide a windshield wiper frame which enables the wiper blade to obtain a well-distributed pressure and an excellent contact with the windshield.
REFERENCES:
patent: 2799887 (1957-07-01), Nemic
patent: 3234578 (1966-02-01), Golub et al.
patent: D330696 (1992-11-01), Alain
patent: 5383249 (1995-01-01), Yang
patent: 5463790 (1995-11-01), Chiou et al.
patent: 5647088 (1997-07-01), Bommer et al.
patent: 1156767 (1969-07-01), None
Graham Gary K.
Rosenberg , Klein & Lee
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