Plastic rearview mirror mount
First Claim
Patent Images
1. A mirror mounting system for securing a rearview mirror to an interior surface of an automotive glass windshield, the mirror mounting system comprising:
- an injection molded plastic button to be secured directly to the interior surface of the glass windshield by way of an adhesive;
a mirror mounting structure attached to the button, and the rearview mirror attached to the mounting structure; and
wherein said button includes at least one substantially planar major surface that is substantially flat, wherein said at least one major surface is sufficiently flat that the lowest point thereof does not deviate by more than about 0.0070 inches from the highest point thereof, and wherein said button has a tensile adhesion strength to the windshield of at least about 465 lbs.
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Accused Products
Abstract
A plastic button for use in a rearview mirror mounting system. The plastic (e.g. polymer or polycarbonate) buttons holds tighter tolerances than conventional metal buttons. Additionally, it has improved flatness characteristics. No metal grinding is required to make the plastic buttons, which may be injection molded. Furthermore, the coefficient of expansion is satisfactory in view of a flexible adhesive utilized, and the button manufacturing process is cheaper than for conventional metal buttons.
37 Citations
14 Claims
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1. A mirror mounting system for securing a rearview mirror to an interior surface of an automotive glass windshield, the mirror mounting system comprising:
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an injection molded plastic button to be secured directly to the interior surface of the glass windshield by way of an adhesive;
a mirror mounting structure attached to the button, and the rearview mirror attached to the mounting structure; and
wherein said button includes at least one substantially planar major surface that is substantially flat, wherein said at least one major surface is sufficiently flat that the lowest point thereof does not deviate by more than about 0.0070 inches from the highest point thereof, and wherein said button has a tensile adhesion strength to the windshield of at least about 465 lbs. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A mirror mounting system securing a rearview mirror to an interior surface of an automotive glass windshield, the mirror mounting system comprising:
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an injection molded plastic button secured directly to the interior surface of the glass windshield by way of an adhesive;
a mirror mounting structure attached to the button, and the rearview mirror attached to the mounting structure; and
wherein said button and said adhesive are provided so as to cause the button to have a tensile adhesion to the windshield of at least about 450 lbs. if exposed to 94% relative humidity and 50 degrees C. with a 6 lb. load, for about 250 hours. - View Dependent Claims (13)
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14. A mirror mounting system securing a rearview mirror to an interior surface of an automotive glass windshield, the mirror mounting system comprising:
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an injection molded plastic button secured directly to the interior surface of the glass windshield by way of a flexible adhesive;
a mirror mounting structure attached to the button, and the rearview mirror attached to the mounting structure; and
wherein said button includes at least one substantially planar major surface that is substantially flat, wherein said at least one major surface is sufficiently flat that the lowest point thereof does not deviate by more than about 0.0070 inches from the highest point thereof, and wherein said button has a tensile adhesion strength to the windshield of at least 450 lbs. if exposed to 94% relative humidity and 50 degrees C. with a 6 lb. load, for about 250 hours.
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Specification