Patent ID: 7917975

Claim:
A bed frame comprising: a first and a second set of scissor arms, wherein each set of scissor arms comprises a first arm pivotally coupled to a second arm, each of said first and second arms having a respective upper end and a respective lower end; a generally rectangular upper frame coupled to the respective upper end of each of said first and second arms, wherein the first arm of each set of scissor arms is both pivotally and slidably connected to the upper frame and the second arm of each set of scissor arms is pivotally connected to the upper frame; a biasing member comprising a first terminating end and a second terminating end, the biasing member coupled at the first terminating end to the upper frame and coupled at the second terminating end to the first arm of the first set of scissor arms; and a locking pin positioned to engage one of a plurality of holes arranged in the first arm of the first set of scissor arms.