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Free-standing assembly and method for making same

  • US 4,783,934 A
  • Filed: 11/21/1986
  • Issued: 11/15/1988
  • Est. Priority Date: 11/21/1986
  • Status: Expired due to Fees
First Claim
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1. A free-standing assembly comprising:

  • a substantially horizontally oriented trusswork;

    support means for adjustably supporting said trusswork in a substantially horizontal position above a ground surface and a platform, said support means including at least three legs, said legs each comprise a plurality of telescoping hollow leg members wherein said lowermost one of said leg members has a diameter smaller than each other leg member comprising the respective leg;

    automatic actuator means operatively coupled to said legs and trusswork for alternatively raising and lowering said trusswork, said actuator means comprising a plurality of devices equal in number to said legs, said devices being disposed inside said hollow leg members; and

    connecting means for rigidly attaching an upper end of said legs to said trusswork along an edge thereof to provide lateral stability.

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