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Adjustable height grow light

  • US 6,488,387 B2
  • Filed: 08/13/2001
  • Issued: 12/03/2002
  • Est. Priority Date: 08/11/2000
  • Status: Expired due to Fees
First Claim
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1. An adjustable height grow light, comprising:

  • a light stand having at least one vertical support;

    a horizontal support connected to said vertical support and having an interior channel;

    a light fixture adapted for holding at least one grow light, said light fixture having an upper surface;

    a ribbon torsion spring axle secured with the interior channel of said horizontal support on a ribbon spring axle;

    a ribbon torsion spring disposed on said ribbon spring axle;

    a first axle secured with the interior channel of said horizontal support;

    a second axle secured with the interior channel of said horizontal support and spaced apart from said ribbon spring axle and said first axle; and

    a first line and a second line, each of said lines connected to said ribbon torsion spring at one end and to said light fixture at the other end, said first line routed over said second axle and looped back to and over said first axle and thereafter disposed downwardly to said light fixture, said second line routed over said second axle only and thereafter disposed downwardly to said light fixture;

    wherein said ribbon torsion spring has a tension rating greater than the weight of said first and second lines and said light fixture and any lights contained therein, and wherein said light fixture may be manually moved vertically up and down.

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