Patent ID: 6409134
Filing Date: 2002-06-25
Classification: A47B,F16M,Y10S,Y10T

Abstract:
An extension arm for adjustably mounting a device to a support mount and hiding cables to and from the device within said extension arm, said extension arm comprising:a forearm extension having a body, means for attachment to the device disposed at a first end of said body, and a second end coupling disposed at a second end, said second end coupling having a cable slot formed in a wall thereof so that said second end coupling and said body are in communication with each other through said cable slot; a first endcap including a support shaft for attachment to the support mount; a second endcap including a partially enclosed housing and a hollow shaft, said hollow shaft pivotably attached to said second end coupling; an upper channel having a first roller disposed at a first end and configured to be pivotably attached to said first endcap, and a second roller disposed at a second end and configured to be pivotably attached to said second endcap; a lower channel having a third roller disposed at a first end and configured to be pivotably attached to said first endcap, a fourth roller disposed at a second end and configured to be pivotably attached to said second endcap, and a cable channel formed therein that runs longitudinally along said lower channel from a point close to the first end of said lower channel to the second end of said channel so as to cut through said fourth roller and form an opening in the second end of said lower channel; and a gas spring rotatably attached at a first end to said upper channel and adjustably attached at a second end to said first endcap, wherein said gas spring is configured to retain said upper channel, said lower channel, said first endcap and said second endcap in a parallelogram shape when the device is positioned.