Patent ID: 7082630

Claim:
A siderail support mechanism comprising: a bottom cross-member having a first lower pivot and a second lower pivot; a first support arm having a first upper pivot shaft and a first lower pivot shaft, the first upper pivot shaft configured to pivotally attach to a siderail at a first upper pivot and the first lower pivot shaft configured to pivotally attach to the first lower pivot of the bottom cross-member, wherein one of the first upper pivot and the first lower pivot comprise an oblong slot; a second support arm having a second upper pivot shaft and a second lower pivot shaft, the second upper pivot shaft configured to pivotally attach to the siderail at a second upper pivot and the second lower pivot shaft configured to pivotally attach to the second lower pivot of the mounting bracket; a locking arm pivotally mounted to the siderail at a first end, the locking arm having a locking tooth at a second end, and being biased downwardly by a lock spring; and a locking cog mounted on the second upper pivot shaft and configured to engage the locking tooth when the siderail is in an upright, deployed position.