Abstract: A portable shelter for providing cover over an area, wherein the shelter is coupleable to a structure, the portable shelter comprising a first base member and a second base member, each of which are coupleable to the structure; two subframe assemblies, each subframe assembly comprising a vertical support member having a first end and a second end, wherein the first end is coupleable to a respective base member, at least two arm members, each having a first end and a second end, wherein the first end of each respective arm member is pivotally coupled to the second end of vertical support member, at least two brace members, each having a first end and a second end, each respective first end being coupled to the vertical support member and each respective second end being pivotably coupled to a respective arm member, a first coupling arrangement for pivotably coupling the respective first end of each arm member to the second end of the vertical support member, a second coupling arrangement, slideably coupled to

Abstract: A door assembly for use in a shelter, wherein the shelter comprises an outer frame assembly comprising a plurality of intercoupled members forming a coverable structure and a cover for covering the outer frame assembly, wherein the door assembly comprises a door frame comprising a plurality of intercoupled members; and a retractable door arrangement coupled to the door frame, wherein the retractable door arrangement comprises a door comprised of flexible material that can be extended to enclose the shelter or retracted to provide an opening into the shelter; wherein the door assembly does not rigidly connect to the outer frame assembly of the shelter during normal usage thereof. In addition, a shelter system comprising the outer frame assembly, the cover and a door frame comprising a plurality of intercoupled members and a retractable door arrangement is also provided.

Abstract: A portable shelter for providing cover over an area, wherein the shelter is coupleable to a structure, the portable shelter comprising a first base member and a second base member, each of which are coupleable to the structure; two subframe assemblies, each subframe assembly comprising a vertical support member having a first end and a second end, wherein the first end is coupleable to a respective base member, at least two arm members, each having a first end and a second end, wherein the first end of each respective arm member is pivotally coupled to the second end of vertical support member, at least two brace members, each having a first end and a second end, each respective first end being coupled to the vertical support member and each respective second end being pivotably coupled to a respective arm member, a first coupling arrangement for pivotably coupling the respective first end of each arm member to the second end of the vertical support member, a second coupling arrangement, slideably coupled to

Abstract: A door assembly for use in a shelter, wherein the shelter comprises an outer frame assembly comprising a plurality of intercoupled members forming a coverable structure and a cover for covering the outer frame assembly, wherein the door assembly comprises a door frame comprising a plurality of intercoupled members; and a retractable door arrangement coupled to the door frame, wherein the retractable door arrangement comprises a door comprised of flexible material that can be extended to enclose the shelter or retracted to provide an opening into the shelter; wherein the door assembly does not rigidly connect to the outer frame assembly of the shelter during normal usage thereof. In addition, a shelter system comprising the outer frame assembly, the cover and a door frame comprising a plurality of intercoupled members and a retractable door arrangement is also provided.

Abstract: A portable shelter for providing cover over an area, wherein the shelter is coupleable to a structure, the portable shelter comprising a first base member and a second base member, each of which are coupleable to the structure; two subframe assemblies, each subframe assembly comprising a vertical support member having a first end and a second end, wherein the first end is coupleable to a respective base member, at least two arm members, each having a first end and a second end, wherein the first end of each respective arm member is pivotally coupled to the second end of vertical support member, at least two brace members, each having a first end and a second end, each respective first end being coupled to the vertical support member and each respective second end being pivotably coupled to a respective arm member, a first coupling arrangement for pivotably coupling the respective first end of each arm member to the second end of the vertical support member, a second coupling arrangement, slideably coupled to

Abstract: An intercoupled piping assembly comprising a first elongated pipe; a second elongated pipe; a coupler for coupling the first elongated pipe to the second elongated pipe and a securing assembly comprising an elongated member that extends through an aperture in the first elongated pipe, through an aperture in the coupler and through an aperture in the second elongated pipe and a securing member for ensuring the first elongated pipe, the second elongated pipe and the coupler remain coupled together by at least in part the elongated member, whereby the first and second elongated pipes are intercoupleable via the coupler and are resisted from shifting from their orthogonal alignment due to their respective coupling to the coupler.