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A portable lay-down blind including a gurney-style seat comprises a framework supporting a covering which forms an enclosure sized for accommodating an occupant, the covering having a top opening providing access to the enclosure, the framework including a seat frame having lateral support arms exte

A portable lay-down blind including a gurney-style seat comprises a framework supporting a covering which forms an enclosure sized for accommodating an occupant, the covering having a top opening providing access to the enclosure, the framework including a seat frame having lateral support arms extending from the head end to the toe end of the framework, the gurney-style seat suspended from the lateral support arms and capable of supporting the weight of the occupant in a position elevated above a support surface; one embodiment the seat frame including a transversely extending bottom brace for reinforcing the lateral support arms.

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1. A portable lay-down blind including a gurney-style seat comprising: a framework,a covering supported by said framework, said covering forming an enclosure sized for accommodating an occupant, said covering having a top opening providing access to the enclosure,said framework having a head end fra

1. A portable lay-down blind including a gurney-style seat comprising: a framework,a covering supported by said framework, said covering forming an enclosure sized for accommodating an occupant, said covering having a top opening providing access to the enclosure,said framework having a head end frame, an elevated seat frame, and a head end base bar for resting on a support surface, said head end frame having two vertical struts extending upwardly from the head end base bar, each strut having a top end,said seat frame having a pair of vertical risers, a toe end crossbar extending therebetween for resting on a support surface, and a pair of elevated lateral support arms each having a support arm head end and a support arm toe end, the support arm head ends attached to the top ends of the vertical struts of said head end frame, the support arm toe ends attached to said vertical risers,a ground surface plane coterminous with the head end base bar and the toe end cross bar, the support arm head ends and the support arm toe ends spaced from the ground surface plane, the support arm head ends spaced from the ground surface plane more than the support arm toe ends,a seat frame plane coterminous with the head ends and toe ends of said lateral support arms, anda gurney-style seat configured to support an occupant in a reclining disposition in an elevated position in said enclosure above the support surface and sized to provide support surfaces for the torso and legs of such occupant, the seat having side edges, a head end edge, a toe end edge, and a center portion between said head end, toe end and side edges, the seat suspended by said side edges from the lateral support arms of said seat frame, the seat also configured so that the center portion is disposed vertically a distance below the seat frame plane more than half the distance in a vertical plane coterminous with the center portion between the seat frame plane and the ground surface plane, and so that the central portion is spaced above the ground surface plane when supporting the full weight of an occupant. 2. The portable lay-down blind of claim 1 further comprising: a bottom brace having two side bars and a horizontal bottom bar, said side bars having upper ends and lower ends, the upper ends pivotally attached to the lateral support arms of said seat frame between the support arm head ends and support arm toe ends thereof, the bottom bar extending between the lower ends of said side bars, such that said bottom brace is pivotally suspended from said support arms and said bottom bar is disposed between said seat and the support surface. 3. The portable lay-down blind of claim 2 further wherein: said bottom bar has a transverse length between said side bars less than the distance between the support arms of said seat frame. 4. The portable lay-down blind of claim 1 further comprising: said covering including a pair of flap doors for closing the top opening to said enclosure. 5. The portable lay-down blind of claim 1 wherein: said covering includes a camouflage disguise. 6. The portable lay-down blind of claim 1 wherein: said gurney-style seat forms a bucket-style seat sized for cradling a substantial portion of the torso of a person in a reclining disposition below said head end and toe end edges. 7. The portable lay-down blind of claim 1 wherein: the center portion of said seat depends below the side edges thereof such that most of the torso of a person cradled therein is disposed below said side edges. 8. The portable lay-down blind of claim 1 wherein: said support arm head ends attached to the top ends of the vertical struts of said head end frame at a higher elevation than said support arm toe ends. 9. The portable lay-down blind of claim 1 wherein: the head end edge of said seat is elevated above the toe end edge thereof. 10. The portable lay-down blind of claim 9 wherein: said seat includes a head rest supported by the top bar of said head-end frame. 11. The portable lay-down blind of claim 1 wherein: the center portion of said seat is elevated above a support surface on which the blind is resting when an occupant is cradled therein. 12. The portable lay-down blind including a gurney-style seat of claim 1 wherein: the seat frame plane is coterminous with the lateral support arms of the seat frame. 13. A portable lay-down blind including a gurney-style seat comprising: a framework for resting on a support surface, said framework having a head end and a toe end, said framework including an elevated seat frame extending from said head end to said toe end, said seat frame including a pair of elevated lateral support arms extending from the head end to the toe end of said framework,a covering supported by said framework, said covering forming an enclosure sized for accommodating an occupant, said covering having a top opening providing access to the enclosure,a gurney-style seat for supporting the occupant in a reclining position in said enclosure, said seat laterally suspended from said seat frame, said seat frame capable of supporting the full weight of said occupant in an elevated position above the support surface, anda bottom brace having two side bars and a horizontal bottom bar extending between said side bars, said side bars having upper ends pivotally attached to the lateral support arms of said seat frame at bottom brace joints between the head and toe ends thereof, such that said bottom brace is pivotally suspended from said support arms and said bottom bar is disposed between said seat and the support surface,said side bars having sufficient flexibility that when downward force is applied to said bottom brace joints, the bottom bar of said bottom brace engages the support surface thereby reinforcing said lateral support arms against the downward force, such that the bottom brace helps support the weight of an occupant pushing down on said lateral support arms. 14. The portable lay-down blind of claim 13 wherein: said bottom brace is movable from a depending position to a collapsed position, in said depending position said side bars disposed vertically, and in said collapsed position said bottom brace disposed parallel to the lateral support arms of said seat frame. 15. A portable lay-down blind including a gurney-style seat comprising: a framework for resting on a support surface, said framework including a horizontal base frame, a head-end frame, and an elevated seat frame, said base frame for resting on a support surface, said base frame having two side bars and a crossbar extending between said side bars, each of said side bars having a toe end,said head-end frame having two vertical struts and a top bar extending between said vertical struts, said vertical struts attached to and extending upwardly from the crossbar of said base frame, each of said struts including an upper end, andsaid seat frame including a pair of elevated lateral support arms and a bottom brace, said support arms each having a head end and a toe end, the head ends of said support arms attached to the upper ends of the struts of said head-end frame and the toe ends of said support arms attached to the toe ends of the side bars of said base frame, such that said support arms slope downwardly from the head ends toward the toe ends thereof, said bottom brace having two side bars and a horizontal bottom bar extending between said side bars, said side bars having upper ends pivotally attached to the lateral support arms of said seat frame between the head and toe ends thereof, such that said bottom brace is pivotally suspended from said support arms and said bottom bar is disposed between said seat and the support surface, said bottom brace movable from a depending position to a collapsed position, in said depending position said side bars disposed vertically, and in said collapsed position said bottom brace disposed parallel to the lateral support arms of said seat frame, said side bars having sufficient flexibility that when downward force is applied thereto, the bottom bar of said bottom brace when in said collapsed position engages the support surface thereby reinforcing said lateral support arms against the downward force, such that the bottom brace helps support the weight of an occupant pushing down on said lateral support arms,a covering supported by said framework, said covering forming an enclosure sized for accommodating an occupant, said covering having a top opening providing access to the enclosure, anda gurney-style seat for supporting the occupant in a reclining position in said enclosure, said seat frame includes a pair of elevated lateral support arms extending from the head end to the toe end of said framework, said seat suspended from said lateral supports, said seat frame capable of supporting the full weight of an occupant of said seat in an elevated position above the support surface. 16. A portable lay-down blind including a gurney-style seat comprising: a framework having a head end frame, an elevated seat frame, and a head end and two side base bars, said head end and side base bars for resting on a support surface, said head end frame having two vertical struts extending upwardly from the head end base bar, each strut having a top end,said seat frame having a pair of vertical risers, a toe end crossbar extending therebetween for resting on a support surface, and a pair of elevated lateral support arms each having a support arm head end and a support arm toe end, the support arm head ends attached to the top ends of the vertical struts of said head end frame, the support arm toe ends attached to said vertical risers, andeach of said side base bars having a side bar head end, the head end base bar extending between said side bar head ends,a ground surface plane coterminous with the head end base bar and the toe end cross bar, the support arm head ends and the support arm toe ends spaced from the ground surface plane, the support arm head ends spaced from the ground surface plane more than the support arm toe ends,a seat frame plane coterminous with the lateral support arms of the seat frame, anda gurney-style seat configured to support a person in a reclining disposition and sized to provide support surfaces for the torso and legs of such person, a gurney-style seat having side edges, a head end edge, a toe end edge, and a center portion between said head end, toe end and side edges, the seat suspended by said side edges from the lateral support arms of said seat frame, the seat also configured so that the center portion is disposed vertically a distance below the seat frame plane more than half the distance in a vertical plane coterminous with the center portion between the seat frame plane and the ground surface plane, and so that the central portion is spaced above the ground surface plane when supporting an occupant. 17. A portable lay-down blind including a gurney-style seat comprising: a framework having a base frame, a head end frame, and an elevated seat frame, said base frame having two side bars and a head end base bar, each of said side bars having a side bar toe end and a side bar head end, said head end base bar extending between said side bar head ends, said side bars and said head end base bar for resting on a support surface,said head end frame having two vertical struts and a top bar, each of said struts extending upwardly from said head end base bar and having a top end, said top bar extending between said top ends,said seat frame having a pair of vertical risers, a toe end crossbar and a pair of elevated lateral support arms, said toe end crossbar extending between said vertical risers for resting on a support surface, said vertical risers attached to the side bar toe ends of said base frame, said pair of elevated lateral support arms each having a support arm toe end and a support arm head end, the support arm toe ends attached to said vertical risers, the support arm head ends attached to the top ends of the vertical struts of said head end frame,a ground surface plane coterminous with the head end base bar and side bars of said base frame and with the toe end cross bar of the seat frame, the support arm head ends and the support arm toe ends spaced from the ground surface plane, the support arm head ends spaced from the ground surface plane more than the support arm toe ends,a seat frame plane coterminous with the lateral support arms of the seat frame, the seat frame plane disposed at an angle to the ground surface plane, anda gurney-style seat configured to support a person in a reclining disposition and sized to provide support surfaces for the torso and legs of such person, a gurney-style seat having side edges, a head end edge, a toe end edge, and a center portion between said head end, toe end, and side edges, the seat suspended by said side edges from the lateral support arms of said seat frame, the head end edge spaced from the ground surface plane a distance greater than the toe end edge is spaced therefrom, the seat also configured so that the center portion is disposed vertically a distance below the seat frame plane more than half the distance in a vertical plane coterminous with the center portion between the seat frame plane and the ground surface plane, and so that the central portion is spaced above the ground surface plane when supporting an occupant. 18. The portable lay-down blind of claim 17 wherein: the lateral support arms of said seat frame extend linearly from said support arm head ends to said support arm toe ends. 19. The portable lay-down blind of claim 17 wherein: the upper end of said gurney-style seat includes an upper sleeve, andthe top bar of the head-end frame includes two raised shoulders between which extend an interconnecting segment that is received in the upper sleeve,whereby the gurney-style seat is suspended from said head end cross bar.