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Vehicle mounted aerial lift

  • US 4,453,672 A
  • Filed: 03/23/1982
  • Issued: 06/12/1984
  • Est. Priority Date: 03/23/1982
  • Status: Expired due to Term
First Claim
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1. An aerial lift for a vehicle, comprising:

  • a support pivotally mounted on said vehicle for movement about an upright axis;

    a lower boom whose inner end is pivotally connected to said support and extending generally horizontally in a storage position;

    means for moving said lower boom upwardly and downwardly about the pivotal connection thereof and disposed at an acute angle to said lower boom in said storage position, said moving means being pivotally connected to said support and to said lower boom;

    an upper boom whose inner end is pivotally associated with the outer end of said lower boom and which extends in a generally horizontal storage position above said lower boom;

    link means whose inner end is pivotally connected to said support and whose outer end is pivotally associated with the inner end of said upper boom; and

    the relationship of the lengths between pivots of said lower boom and said link means, the distance between the pivotal connections of said lower boom and said link means to said support and the distances between the points of pivotal association between said lower boom and said link means with said upper boom being such that the outer end of said upper boom will be raised generally vertically as said lower boom is raised.

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