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LIGHT REFLECTOR AND MOLD THEREFOR

  • US 3,883,224 A
  • Filed: 10/09/1973
  • Issued: 05/13/1975
  • Est. Priority Date: 10/09/1973
  • Status: Expired due to Term
First Claim
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1. A light reflector comprising:

  • an external side facing in the direction from which external light rays strike the reflector, and an internal side on the opposite side of the reflector from said external side and having thereon a plurality of light reflecting units each of which is nonagonal in plan view and which are joined to each other, and said internal side further having a plurality of light-transmitting planes each having a regular triangular shape in plan view and being surrounded by three of said light reflecting units, each light reflecting unit being comprised of an inner triple reflecting plane structure having three flat planes joined together at right angles relative to each other and an outer triple reflecting plane structure having three flat planes joined together at right angles relative to each other, said inner triple reflecting plane structure being positioned inside said outer triple reflecting plane structure with the planes thereof joined to the planes of said outer triple reflecting plane structure along edges, each of said light reflecting units having three light reflecting elements each of which is a triple reflecting plane structure formed by one of the flat planes of said inner triple reflecting plane strucutre and the two of the flat planes of said outer triple reflecting plane structure which are joined to said one of the flat planes at right angles relative to each other, the apexes of the triangular light-transmitting plane having apexes lying on the junction lines of the three light reflecting units surrounding said light-transmitting plane, respectively.

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