Patent ID: 8214946

Claim:
An apparatus, comprising: a frame having an expanded configuration and a collapsed configuration, the frame including, a support member having a first end portion and a second end portion opposite the first end portion, a first elongate member having a first end portion and a second end portion opposite the first end portion, the first end portion of the first elongate member being pivotally coupled to the second end portion of the support member, a second elongate member having a first end portion and a second end portion opposite the first end portion, the first end portion of the second elongate member being pivotally coupled to the support member, and a third elongate member having a first end portion and a second end portion, the second end portion of the second elongate member being pivotally coupled to the first end portion of the third elongate member, the second end portion of the first elongate member being pivotally coupled to the third elongate member between the first end portion and the second end portion of the third elongate member, the third elongate member being substantially parallel to a support surface when the frame is in its expanded configuration, the support member and the first elongate member being substantially parallel to the second elongate member when the frame is in the collapsed configuration.