A solar radiation shield includes a flexible shade assembly mounted on an automotive vehicle sun visor to prevent solar radiation from reaching interior surfaces of the vehicle when the vehicle is left standing in the sun for a protracted time period. The shade assembly includes a rotary spindle and a flexible sheet spirally wound on the spindle so that the sheet can be manually unrolled from the spindle to span the inner surface of the vehicle windshield. During normal operation of the vehicle the flexible sheet is wound onto the spindle so that the sun visor is enabled to perform in conventional fashion.
A principal advantage of the invention is that the flexible sheet can be extended downwardly for a considerable distance beyond the lower edge of the sun visor. The shade assembly is relatively compact in the rolled-up condition, while occupying a considerable area in the unwound (extended) condition. An aim of the invention is to achieve a reasonably complete coverage of the windshield, without interfering with normal operation of the sun visor.
Front view of the solar radiation shield mechanism in the rolled-up position.
A front view of the solar radiation shield mechanism in the extended position
FIG. 1 is a front elevational view of a solar radiation shield mechanism embodying the invention.
FIG. 2 is an enlarged sectional view taken on line 2--2 in FIG. 1
FIG. 3 is an end view of a shade assembly used in the FIG. 1 embodiment. FIG. 3 is taken in the direction designated by arrows 3--3 in FIG. 1.
Important Features:

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