Element for heating wiper rest area of a transparency and...

Details Element for heating wiper rest area of a transparency and... Element for heating wiper rest area of a transparency and...

H - Electricity

05

B

H05B 3/84 (2006.01) B32B 17/10 (2006.01) H05B 3/86 (2006.01)

Patent

CA 2179312

The wiper rest area of an automotive windshield is heated by a heatable member optionally mounted on polyester substrate. The windshield may include outer and inner glass sheets secured together by an interlayer. The heatable member is positioned on inner surface of the outer glass sheet adjacent the bottom of the windshield in the wiper rest area. The heatable member is held in position by the interlayer securing the inner and outer sheets together. The heatable member has extensions extending beyond the edge of the windshield to provide external electrical access to the heatable member to power the heatable member to heat the wiper rest area or position. In one embodiment of the invention, the heatable member is a steel wire mesh screen having a first arm transverse to a second arm to provide the heatable member with an "L" shape. The juncture of the first and second arms and the end of the longer arm are radiused to eliminate hot and cold spots when the heatable member is electrically powered.

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