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Portable fan removably and adjustably mountable in a hatch

  • US 7,201,110 B1
  • Filed: 02/08/2006
  • Issued: 04/10/2007
  • Est. Priority Date: 02/08/2006
  • Status: Expired due to Fees
First Claim
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1. A portable hatch fan device which fits adjustably and removably into a variety of types and sizes of hatch openings on boat decks and recreational vehicle roofs, the device comprising:

  • a fan holder frame comprising a center fan holding structure for securing a motorized fan to the fan holder frame and a peripheral frame edge configured to contact a hatch frame;

    at least one pair of clamps each of the clamps slidably attached to the fan holder frame to position the clamp adjacent to one of at least two first opposing hatch frame sides of any of a variety of hatch frame opening sizes, each of the clamps lockable in a desired position for engaging the hatch frame side;

    each of the clamps comprising a spring loaded clamp post and a horizontal clamp plate attached to the clamp post so that the horizontal clamp plate is movable between a first position biased against a surface of the hatch frame of a hatch having any of a variety of thicknesses of hatch frames to sandwich the hatch frame between the horizontal clamp plate and the peripheral frame edge to secure the portable hatch fan device to the hatch frame and a second position elevated above the hatch frame and pivoted horizontally out of alignment with the hatch frame to allow the fan to be moved into or out of the hatch; and

    at least one pair of guide plates each of the guides slidably attached to the fan holder frame to position the clamp adjacent to one of at least two second opposing hatch frame sides of any of a variety of hatch frame opening sizes, each of the guide plates lockable in a desired position for engaging the hatch frame side for engaging an inner face of the hatch frame side so that the pair of guide plates work in conjunction with the pair of clamps to guide the portable hatch fan device during installation to center the fan in the hatch for blowing outside air into an interior space with a hatch cover open, the device being removable to close the hatch cover.

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