Rearview mirror assembly for vehicle

  • US 10,112,538 B2
  • Filed: 07/17/2017
  • Issued: 10/30/2018
  • Est. Priority Date: 04/22/2013
  • Status: Active Grant
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First Claim
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1. An interior rearview mirror assembly for a vehicle, said interior rearview mirror assembly comprising:

  • a mirror casing having a plastic-molded sidewall and an open end;

    wherein said sidewall has wall thickness spanning between an inner surface of said sidewall and a principal outside surface of said sidewall;

    wherein said sidewall comprises an outer end region that circumscribes said open end of said mirror casing and terminates at a terminal end surface of said mirror casing;

    wherein said outer end region of said sidewall comprises a rounded outside surface curving between said terminal end surface of said mirror casing and said principal outside surface of said sidewall;

    a mirror reflective element disposed at said outer end region of said sidewall at said open end of said mirror casing and abutting at least a portion of said terminal end surface of said mirror casing;

    a mounting assembly configured to mount at an interior portion of a vehicle, wherein said mirror reflective element and said mirror casing are adjustably mounted at said mounting assembly via a pivot joint;

    wherein said mirror reflective element comprises at least a first glass substrate;

    wherein said first glass substrate has a front surface and a rear surface and a substrate thickness spanning between the front surface of said first glass substrate and the rear surface of said first glass substrate;

    wherein, with said mounting assembly mounted at the interior portion of the vehicle, said front surface is closer than said rear surface to a driver of the vehicle who is normally operating the vehicle;

    wherein said first glass substrate comprises a flat region and a rounded perimeter edge circumscribing said flat region and extending between said front surface and said rear surface;

    wherein, with said mounting assembly mounted at the interior portion of the vehicle, said rounded perimeter edge of said first glass substrate is exposed to, is contactable by and is viewable by the driver of the vehicle;

    wherein curvature of said rounded outside surface of said outer end region of said sidewall matches curvature of said rounded perimeter edge of said first glass substrate; and

    wherein said rounded outside surface of said outer end region of said sidewall and said rounded perimeter edge of said first glass substrate combine to provide a curved transition between said front surface of said flat region and said principal outside surface of said sidewall of said mirror casing.

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