Windshield sun shade
Windshield sun shades (also known as sun-screen shades, sunscreens, sun car shades, sun shields, heat shields, or UV shields) are protective shields attached to a car's windshield or side window to keep the sun from reaching the interior and help reduce the temperature inside it.
History
The first known sun-shade patent is from 1911 and belongs to Frank H. Ilse of Chicago. There is no prior art cited with this patent, although a similar contraption was devised for hats in 1908, as mentioned in the patent application.[1] Years later in 1970, The Israeli businessman Avraham Levy invented an accordion-like cardboard sun blocker and claimed he sold 1 million of the devices in Israel since the mid-1970s.[2] Avi Fattal and Avi Ruimi, two young Israeli who migrated to the US, after being confronted by Levi for taking his idea without permission, modified the concept of Levi and changed the design into the shape of sunglasses, thus penetrating the American market.[3]
Usage
Typically, the glass of the car's windshield itself blocks most of the
Sunshades may also be used while resting in a car, creating a sense of privacy and blocking out most of the undesired outside light from the sun in the daytime or from other cars and street lights at nighttime.
Types
There are several variants of car sun shade types. Typically, sun shields are made of a layer of
References
- ^ Curtain for Vehicle. Frank H. Ilse's patent from 1911
- ^ "Van Nuys Firm Cashes In on Israeli Invention: Folding Car Shades Are a Red-Hot Item in Sun Belt". Los Angeles Times. September 8, 1986.
- ^ Newspapers, Ari Z. Posner, Knight-Ridder (21 September 1986). "SHADES OF INVENTION SHINE FOR ENTERPRISING PALS". chicagotribune.com.
{{cite web}}
: CS1 maint: multiple names: authors list (link) - ^ "Greenhouse Physics and Car Shades | ScienceBlogs". scienceblogs.com.
- ^ "How to Sleep Comfortably in a Car". 3 May 2017.
- ^ Geggel, Laura (24 May 2018). "How Long Does It Take a Parked Car to Reach Deadly Hot Temperatures?". livescience.com.