Optical: systems and elements – Mirror – Plural mirrors or reflecting surfaces
Reexamination Certificate
2006-03-21
2006-03-21
Cherry, Euncha P. (Department: 2872)
Optical: systems and elements
Mirror
Plural mirrors or reflecting surfaces
Reexamination Certificate
active
07014329
ABSTRACT:
For camping trips and other activities it is useful to have a solar reflector for cooking or electricity generation. It can be made form a flat piece of material and folded into a three dimensional parabolic dish for concentrating solar radiation. The flat disk has a plurality of spirally cut segments, which can overlap when the segments are made to stand extending in a parabolic shape from their central circular base. The segments will overlap on their edges and can be fastened together near the circumference to form a parabolic dish for reflecting solar rays toward a central area used for cooking. The parabolic reflective dish can be disassembled and stored flat by removing the fasteners and urging the spiral side segments to lie flat. The number of spiral side segments and their size may vary. The parabolic reflector is easy to assemble and disassemble and easy to carry.
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