Patent ID: 6478274
Filing Date: 2002-11-12
Classification: A47B,F16M,Y10T

Abstract:
An extension arm for adjustably mounting a device to a support mount, said extension arm comprising:a forearm extension having a first end for attachment to the device and a second end having an opening; a first end cap including a first end cap body and a first end cap shaft, said first end cap shaft adapted for pivotable attachment to the support mount; a second end cap including a second end cap body and a second end cap shaft having an axis, said second end cap shaft fixedly attached to said second end cap body and extending outwardly therefrom, said second end cap shaft pivotably received within said opening within said second end of said forearm extension whereby said forearm extension is pivotable about said axis of said second end cap shaft overlying said second end cap body between a plurality of radial positions; an upper channel having a first end, a second end, a first roller disposed on the first end and configured to be pivotably attached to said first end cap, and a second roller disposed on the second end cap; a lower channel having a first end, a second end, a third roller disposed on the first end and configured to be pivotably attached to said second end cap; and a gas spring rotatably attached at a first end to said upper channel and adjustably attached at a second end to said first end cap, wherein said gas spring is configured to retain said upper channel, said lower channel, said first end cap and said second end cap in a parallelogram shape when the device is positioned.