Patent ID: 8360374

Claim:
A frame for supporting a bag thereon, the frame comprising: a plurality of telescoping legs arranged in a first pair and a second pair, the legs of said first pair being rotatably connected together at an upper end thereof, the legs of said second pair being rotatably connected together at an upper end thereof; a scissor link mechanism coupled between the legs of said first and second pairs so as to vary a length of said plurality of legs in response to a distance between a lower end of said first and second pairs, each of said plurality of telescoping legs comprising: a journal having an interior passageway; and a bearing slidably received in said interior passageway of said journal, the bearing of the leg of said first pair being pivotally connected the bearing of another leg of said first pair of an upper end thereof, said scissor link mechanism being pivotally connected to said journal and pivotally connected to a portion of said bearing within said interior passageway of said journal.