A modular recreational and/or survival canvases are disclosed. Each canvas may be used alone or in combination with other canvases to provide shelter. Each canvas includes a base substrate including a plurality of fastener, a plurality of sleeves, and an outer fringe. In a refinement, the canvas may be of a shape such as a hexagon with alternating fasteners along its perimeter such that it may cooperate with one or more other modular canvases to form larger shelters. In one or more embodiments, the canvases may be combined with a construction block and one or more stakes.

The invention provides a portable, free-standing shade structure that is resistant to wind. The inventive shade structure can comprise a frame and a sheet, or canopy, that is connected to the frame under tension at two or more different heights to create an uneven, hypar conformation in the sheet. The uneven, hypar conformation of the sheet transfers wind force to the frame so as to press the frame against the surface upon which the shade structure rests, thereby making the inventive shade structure resistant to the movement, tipping, lift, and vibration that typically results when a portable shade structure is exposed to wind.

A hunting blind includes a base portion including a plurality of lower arcuate segments configured to be coupled to one another. The hunting blind also includes an upper portion coupled to the base portion and including a plurality of upper arcuate segments configured to be coupled to the base portion. Additionally, the hunting blind includes a cover hingedly coupled to the upper portion and configured to be moved between an open position and a closed position. Moreover, the hunting blind includes an actuator coupled to the base portion or to the upper portion and configured to move the cover from the closed position to the open position, and wherein the actuator is a hands-free actuator such that the actuator is configured to be actuated by a user's foot, knee, or elbow.

A hunting blind includes a base portion including a plurality of lower arcuate segments configured to be coupled to one another. The hunting blind also includes an upper portion coupled to the base portion and including a plurality of upper arcuate segments configured to be coupled to the base portion. Additionally, the hunting blind includes a cover hingedly coupled to the upper portion and configured to be moved between an open position and a closed position. Moreover, the hunting blind includes an actuator coupled to the base portion or to the upper portion and configured to move the cover from the closed position to the open position, and wherein the actuator is a hands-free actuator such that the actuator is configured to be actuated by a user's foot, knee, or elbow.

A ten-device-in-one reconfigurable adjustable carport (capable of functioning as a privacy screen, a wind screen, a cabana, a dog run, a retail-tradeshow booth, an attic, a storage, a picnic table, a kennel, and a carport) comprises: a canopy, roof spines, roof ribs, leg posts, T-shaped joiners and X-shaped joiners spring-snappingly connected to the roof spines and roof ribs and leg posts for configuring the ten-device-in-one carport as a car canopy and a greenhouse and an enclosure and a barrier and a cabana and a privacy room and a privacy screen and a tradeshow booth and a wind barrier, panels, door-frame panel, panel-to-panel-securing brackets and panel-to-post-securing brackets bolted to the panels and the door-frame panel and the roof spines and the roof ribs and the leg posts for configuring the ten-device-in-one carport as a dog run and a greenhouse and an enclosure and a barrier and bleacher shelves to store or display items and an attic to store items off the ground and a hanging cage to house animals off the ground and structures for displaying signs and roof storage, and bracket heads formed into the panel-to-post-securing brackets for automatically centering the bracket-head ends.

A night sky viewing tent structure having specific features for enhanced night sky viewing is disclosed. In one embodiment, the night sky viewing tent structure comprises roof cut-outs to allow telescope lenses to extend through the roof for star viewing while still protecting users. In other embodiments, the tent structure roof cover is at least partially transparent with one or more sections providing magnification for improved night sky viewing. In another embodiment, the tent structure covering is at least partially photochromic, such that it is clear in low light conditions, and substantially tinted in full light or day light conditions. In other embodiments, the tent structure cover is manufactured with one or more coatings to absorb ultraviolet rays of less than 400 nanometers. In various embodiments, the night sky viewing tent structure is formed using at least one flexible rib element and a cover element.

A door assembly for a shelter, wherein the shelter comprises a frame assembly and a cover for covering the frame assembly, wherein the door assembly includes a door frame; a door coupled to the door frame, wherein the door is preferably of a flexible material that can be lifted to provide an opening into the shelter and can be lowered for enclosing the shelter, wherein the door includes a plurality of pockets; a plurality of elongated door members, each of which includes a first and a second end, wherein each of the plurality of elongated door members is positioned within a respective one of the pockets; a plurality of first couplers, each of which couples the first end of a respective elongated door member to a first side of the door frame; a plurality of second couplers, each of which couples the second end of a respective elongated door member to a second side of the door frame; and a door lifting/lowering assembly for lifting the door to provide the opening into the shelter and for lowering the door for enclosing the shelter. Also disclosed herein is a shelter comprising a frame assembly and a cover for covering the frame assembly; and a door assembly as disclosed above.

A door assembly for a shelter, wherein the shelter comprises a frame assembly and a cover for covering the frame assembly, wherein the door assembly includes a door frame; a door coupled to the door frame, wherein the door is preferably of a flexible material that can be lifted to provide an opening into the shelter and can be lowered for enclosing the shelter, wherein the door includes a plurality of pockets; a plurality of elongated door members, each of which includes a first and a second end, wherein each of the plurality of elongated door members is positioned within a respective one of the pockets; a plurality of first couplers, each of which couples the first end of a respective elongated door member to a first side of the door frame; a plurality of second couplers, each of which couples the second end of a respective elongated door member to a second side of the door frame; and a door lifting/lowering assembly for lifting the door to provide the opening into the shelter and for lowering the door for enclosing the shelter. Also disclosed herein is a shelter comprising a frame assembly and a cover for covering the frame assembly; and a door assembly as disclosed above.

A configurable multifunctional privacy screen comprising panels and one or more pieces of sheet of material. Each panel includes a sheet of material having a perimeter and a resilient frame member affixed along the perimeter. The panels are attached to each other on at least one side through a flexible coupling provided across at least any of the lateral sides of the panels. The panels are adapted to transition among different adjustable configurations on being folded across the flexible coupling at one or more desired angles. The adjustable configurations include a screen configuration in which the panels define a screen adapted to stand in a substantially vertical position on their bottom sides, a semi deployed configuration in which the panels define a partially-open space, and a fully deployed configuration in which the panels define a confined space closed along the lateral sides and open at top side and bottom side.

A tent assembly includes two tents spaced from each other in a longitudinal direction. Each tent includes a tent body supported by a tent frame to form a tent space. Each tent body includes two first tent canvases at front and rear ends thereof and spaced from each other in the longitudinal direction. Each tent body further includes two second tent canvases spaced from each other in a transverse direction. Each first tent canvas includes a first access opening. A connecting tent is connected between the two tents and includes a connecting tent body having two connecting tent canvases extending in the longitudinal direction and spaced from each other in the transverse direction. The connecting tent body is connected between two adjacent first tent canvases respectively of the two tents. The connecting tent includes a passageway connected between two adjacent first access openings respectively of the two tents.