The invention comprises a scalable and foldable multipurpose frame structure configured with a generally flat-roof as a worksite and a peaked-roof as a recreational canopy, a cover retaining system and a ventilation system. The frame structure comprises a plurality of foldable wall trusses connecting a plurality of upright telescopic posts transversely forming a wall frame structure and a closed loop geometric footprint, a plurality of foldable roof trusses connecting a centrally disposed roof assembly to either the telescopic posts or the wall trusses transversely forming the roof. The cover retaining system comprises various spring clips for known-size frame members, and various clamps for unknown-size frame members, to secure roof and wall cover to the frame structure. The ventilation system comprises an enclosure that can utilize standard furnace air filters and existing air circulation devices. Multiple frame structures can be linked together to scale up space.

The invention comprises a scalable and foldable multipurpose frame structure configured with a generally flat-roof as a worksite and a peaked-roof as a recreational canopy, a cover retaining system and a ventilation system. The frame structure comprises a plurality of foldable wall trusses connecting a plurality of upright telescopic posts transversely forming a wall frame structure and a closed loop geometric footprint, a plurality of foldable roof trusses connecting a centrally disposed roof assembly to either the telescopic posts or the wall trusses transversely forming the roof. The cover retaining system comprises various spring clips for known-size frame members, and various clamps for unknown-size frame members, to secure roof and wall cover to the frame structure. The ventilation system comprises an enclosure that can utilize standard furnace air filters and existing air circulation devices. Multiple frame structures can be linked together to scale up space.

A portable shade shelter has a plurality of canopies including at least a first canopy and a second canopy. The first canopy is disposed over the second canopy, and the first canopy is capable of being spaced apart from the second canopy in a vertical direction such that air is capable of flowing between the first canopy and the second canopy. Each of the first canopy and the second canopy includes a plurality of openings configured to permit air and light to pass through the respective first canopy and second canopy.

A portable shade shelter has a plurality of canopies including at least a first canopy and a second canopy. The first canopy is disposed over the second canopy, and the first canopy is capable of being spaced apart from the second canopy in a vertical direction such that air is capable of flowing between the first canopy and the second canopy. Each of the first canopy and the second canopy includes a plurality of openings configured to permit air and light to pass through the respective first canopy and second canopy.

A transportable shelter includes a frame, an inner liner, and an outer liner. A plurality of interconnecting members of the frame are connected to create a fixed structural element, at least one end structural element, and a plurality of purlin portions. The purlin portions attach the fixed structural element to a first end structural element. The fixed structural element has a first inner track and a first outer track, and the first end structural element has a second inner track and a second outer track. The inner liner attaches to the first and second inner tracks, and the outer panel attaches to the first and second outer tracks. A dead-air space exists between the inner liner and the outer panel when the frame is assembled and the inner liner and the outer panel are connected to both the fixed structural element and the first end structural element.

A pop up cover for a crib is provided for providing a safe, comfortable and isolated environment for a child in a crib. The pop-up cover may be made of breathable fabric panels having an integrated frame, for example a flexible frame, which can be folded (collapsed) on itself, for example when folded in specific ways if appropriate force is applied and which keeps the fabric in a taught, open position when unfolded (preventing the panels form falling inwards onto each other). The pop up cover can be lightweight and compact, quick and easy to set up, dark inside and breathable.

A pop up cover for a crib is provided for providing a safe, comfortable and isolated environment for a child in a crib. The pop-up cover may be made of breathable fabric panels having an integrated frame, for example a flexible frame, which can be folded (collapsed) on itself, for example when folded in specific ways if appropriate force is applied and which keeps the fabric in a taught, open position when unfolded (preventing the panels form falling inwards onto each other). The pop up cover can be lightweight and compact, quick and easy to set up, dark inside and breathable.

A portable room includes a number of sides, where a first side of the number of sides includes a first door, a second side of the number of sides includes a port, and the second side is adjacent to the first side. The portable room also includes a roof attached to the number of sides. The portable room further includes a number of pockets integrated with the roof, where each pocket is configured for receiving a filter.

A portable room includes a number of sides, where a first side of the number of sides includes a first door, a second side of the number of sides includes a port, and the second side is adjacent to the first side. The portable room also includes a roof attached to the number of sides. The portable room further includes a number of pockets integrated with the roof, where each pocket is configured for receiving a filter.

An air filtering shelter 100 comprising a shelter frame 110 comprising a plurality of frame members 112 defining a sheltered area 102. Filter media 120 extends across the plurality of frame members 112, where the filter media 120 is disposed over the sheltered area 102. An airflow guide 130 extends across the plurality of frame members 112 between the sheltered area 102 and the filter media 120. The airflow guide 130 is impermeable and the filter media 120 and the airflow guide 130 define an airflow channel 125 between them. An airflow generator 140-1 is coupled to the shelter frame 110. The airflow generator 140-1 has an inlet 142 in the airflow channel 125 and an outlet 144 in the sheltered area 102.