Collapsible dredge and methods of use therefor

  • US 7,412,795 B2
  • Filed: 05/30/2006
  • Issued: 08/19/2008
  • Est. Priority Date: 11/02/2005
  • Status: Expired due to Fees
First Claim
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1. A device for catching and attracting aquatic animals to a moving vessel, the device having an open position for use and a closed position for collapsing for storage, the device comprising a hub having a length and a width and a plurality of arms wherein the hub is centrally located with respect to the arms and the arms are radially distributed around the hub and along the length of the hub;

  • wherein the hub comprises a housing and a spindle situated within the housing, the housing and the spindle being hollow, and the housing comprises a plurality of segments distributed along the length of the hub;

    wherein the housing and spindle further comprise a plurality of pairs of lateral apertures, wherein each member of the pair is diametrically arrayed 180°

    around the respective spindle and segments of the housing;

    the device further comprising a plurality of rods, each rod extending through a pair of lateral apertures in the segment and comprising a pair of arms;

    wherein the device is collapsed into the closed position for storage, the segments and rods extending through the lateral apertures we axially rotated about the length and the rods lie in a plane determined by the length of the housing and center of the hub; and

    wherein when the device is in the open position, the segments and rods extending through the lateral apertures are rotated and the device is locked in the open position, and each pair of arms lies in a plane offset by an angle from the plane of a further pair of arms, wherein the angle is determined by the number of arms.

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