Abstract: An expandable canopy frame including a plurality of legs coupled to each other through a plurality of rib members scissor-type coupled together, with upper ends of certain of the rib members being respectively coupled to top ends of the legs, and lower ends of certain of the rib members being respectively coupled to a slider mechanism slidably mounted to each of the respective legs; a roof assembly for supporting a canopy; and a releasable locking assembly, coupled to the roof assembly, for facilitating the expansion of the expandable canopy into an expanded position and for maintaining the canopy in the expanded position; wherein the expandable canopy in its expanded position has a plurality of sides, and wherein the releasable locking assembly is closer to one of the sides than to the remaining sides of the expandable canopy in its expanded position.

Abstract: 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 e

Abstract: An expandable canopy frame including a plurality of legs coupled to each other through a plurality of rib members scissor-type coupled together, with upper ends of certain of the rib members being respectively coupled to top ends of the legs, and lower ends of certain of the rib members being respectively coupled to a slider mechanism slidably mounted to each of the respective legs; a roof assembly for supporting a canopy; and a releasable locking assembly, coupled to the roof assembly, for facilitating the expansion of the expandable canopy into an expanded position and for maintaining the canopy in the expanded position; wherein the expandable canopy in its expanded position has a plurality of sides, and wherein the releasable locking assembly is closer to one of the sides than to the remaining sides of the expandable canopy in its expanded position.

Abstract: An expandable canopy frame including a plurality of legs coupled to each other through a plurality of rib members scissor-type coupled together, with upper ends of certain of the rib members being respectively coupled to top ends of the legs, and lower ends of certain of the rib members being respectively coupled to a slider mechanism slidably mounted to each of the respective legs; a roof assembly for supporting a canopy; and a releasable locking assembly, coupled to the roof assembly, for facilitating the expansion of the expandable canopy into an expanded position and for maintaining the canopy in the expanded position; wherein the expandable canopy in its expanded position has a plurality of sides, and wherein the releasable locking assembly is closer to one of the sides than to the remaining sides of the expandable canopy in its expanded position.

Abstract: An expandable canopy frame including a plurality of legs coupled to each other through a plurality of rib members scissor-type coupled together, with upper ends of certain of the rib members being respectively coupled to top ends of the legs, and lower ends of certain of the rib members being respectively coupled to a slider mechanism slidably mounted to each of the respective legs; a roof assembly for supporting a canopy; and a releasable locking assembly, coupled to the roof assembly, for facilitating the expansion of the expandable canopy into an expanded position and for maintaining the canopy in the expanded position; wherein the expandable canopy in its expanded position has a plurality of sides, and wherein the releasable locking assembly is closer to one of the sides than to the remaining sides of the expandable canopy in its expanded position.