Land vehicles: bodies and tops – Bodies – Structural detail
Reexamination Certificate
1999-07-30
2001-05-15
Dayoan, D. Glenn (Department: 3612)
Land vehicles: bodies and tops
Bodies
Structural detail
C296S093000, C296S096210, C052S204670
Reexamination Certificate
active
06231117
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a window molding for a motor vehicle.
2. Description of the Prior Art
A conventional window molding is composed of a major portion which is formed so as to have a substantially U-shaped cross section and is mounted on a periphery of a window glass, and a lip which is connected with the major portion and which seals a space defined between the major portion and a panel of a motor vehicle. Being formed by an extrusion molding method, this type of window molding is known to have a cross section which is identical over its entire length. U.S. Pat. No. 5,149,168 corresponding to Japanese Patent First Provisional Publication No. 5-185836 discloses this type of molding.
Being curved at the corner of the window glass, the lip, in the along-the-corner direction becomes elongated at and near the end portion thereof. This effectively shortens the height of the lip and induces a drawback in that the lip is, at its corner portion, pressed against the panel of the motor vehicle with a reduced force, as compared with the straight portion(s) between the adjacent corner portions. Accordingly, when the motor vehicle is running at a high speed, a pressure difference between the inside sealed space (the interior of the vehicle) and an outside (the exterior) of the motor vehicle becomes greater. Thus, the lip may be detached from the panel, thereby allowing air flow between the inside sealed space and the outside of the motor vehicle. At the corner of the window glass, this may cause the lip to vibrate and impact against the panel. Moreover, since the lip is shortened at the corner, the lip is rather retracted toward the inside of the motor vehicle as compared with the straight portions of the window glass, thus causing a deteriorated external view.
SUMMARY OF THE INVENTION
It is therefore an object of the present invention to provide a window molding wherein an end of the lip contacts a panel of a motor vehicle in substantially the same position and in substantially the same condition along the entire periphery of a window glass.
There is a window molding for a window glass of a motor vehicle, according to the present invention. The window glass has first and second sides and a corner defined therebetween. The window molding comprises the following portions: i) An external wall portion for covering a peripheral portion on an external major surface of the window glass. ii) An internal wall portion for covering a peripheral portion on an internal major surface of the window glass. The internal wall portion is opposed to the external wall portion. iii) A base wall portion for covering an end surface of the window glass. The base wall portion connects the external and internal wall portions together, and has a surface that is opposed to a panel of the motor vehicle. The base wall portion has an inner end and an outer end that is nearer to an outside of the motor vehicle than the inner one. The surface is oriented so that a first distance between the outer end and the panel is shorter than a second distance between the inner end and the panel. iv) A lip for sealing a space defined between the surface of the base wall portion and the panel. The lip extends out along selected portions of the molding from a first location on the base wall portion with respect to one of the first and second sides of the window glass that is proximate the inner end of the base wall portion. At portions of the molding which are located at corners, the position at which the lip extends out from the base wall portion, is changed to a second location corresponding to a corner of window glass and one that is closer to the outer end of the base wall portion.
There is a molded window glass of a motor vehicle, according to the present invention. The molded window glass comprises the above-mentioned window glass and window molding.
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Dayoan D. Glenn
Foley & Lardner
Gutman Hilary
Kinugawa Rubber Ind. Co. Ltd.
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