Vehicular mirror
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 9, 1991
Issued Date -
N/A
app pub date -
Jun 5, 1989
filing date -
Oct 6, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The mirror assembly of the present invention includes a frame which house the mirror, a mirror frame, a rigid tubular member, and means for mounting the mirror frame to the vehicle. The mirror assembly is for mounting onto an exterior front surface of a vehicle, preferably, in the shape of a one-fourth of an ellipsoid. The mirror surface is in the shape of a convex triangle, having a variable radius of curvature. The mirror is in the shape of a portion of a quadratic surface. The mirror is formed by the intersection of each of two parallel planes with the quadratic surface. The mirror surface has a plurality of radii of curvature. The mirror provides the driver of the vehicle with a field of view which is substantially greater than angle of the quadratic surface about a vertical axis. The top portion of the ellipsoid which provides a field of view over the driver, and the side of the ellipsoid which provides a field of view of the front of the vehicle are eliminated from the mirror surface. Hence, the portion of the ellipsoid that remains enabling the driver to view alongside the vehicle, can be effectively enlarged, while still providing a reduction in the size of the blindspot behind the mirror.
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