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Tubular section boom

  • US 4,069,637 A
  • Filed: 08/09/1976
  • Issued: 01/24/1978
  • Est. Priority Date: 08/09/1976
  • Status: Expired due to Term
First Claim
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1. A boom comprising:

  • an elongated tubular body having first and second ends and a circular cross section throughout said body between said ends;

    first connecting means secured to said body for connecting said boom to mounting means for supporting said boom; and

    second connecting means secured to said body and located between the first and second ends thereof for connecting manipulating means for manipulating said boom, said tubular body including tapered portions extending longitudinally away from a maximum diameter in the vicinity of said second connecting means to lesser diameters of the first and second ends thereof; and

    an elbow-shaped casting connected intermediate said tapered portions.

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