Lamps using friction rubber
This construction is quite common in Italian lamps.
Gravity causes the parallelogram to deform, making the gap between the long arms smaller. This increases
pressure on the rubber in the gap, and the resulting friction holds the arm in balance.
Lamps with povoting arm
One StraIght forearm lamp
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Ceiling mounted One Straight forearm lamp
wall mounted One Straight forearm lamp
Table stand Lamps with pivoting arm in a vertical and horizontal plane
Floor stand Lamps with pivoting arm in a vertical and horizontal plane
Wall mounted Lamps with pivoting arm in a vertical and horizontal plane
Lamps with povoting arm in a vertical and horizontal plane
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