http://www.electrixtask.com/model_7268.htm

incandescent

33″ Reach Clamp

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Artemide Tolomeo

Artemide Tolomeo

-Artemide Tolomeo-

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Lamps with povoting arm in a vertical plane

One Straight forearm lamp

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Compression springs in the arms

lamp with Compression springs in the arms.
The short arms (green) stay parallel.

One spring puts pull force on the blue arm.

(If the blue arm is tilted back the second spring on this arm gets push force.) The blue arm controls the two parallel arms (red) that make up the upper arm.

The other spring puts pull force on the other blue arm.

This arm controls the forearm (magenta). The two springs can be the same size; one spring has to lift more weight but is more vertical.

The other spring lifts less weight but is more horizontal.

Lamps with povoting arm

One StragIht forearm lamp

Ikea lamp

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Compression springs near the foot

Lamp with  Compression springs near the foot
One compression spring controls a very short arm (grey).

The Roller chain cable connects this arm parallel to the forearm (yellow).

The longer spring controls the (blue) arm.

The body (red) can turn in the horizontal plane.

The body is connected to a heavy stable foot.

The body can be smaller because the pressure springs can protrude below the body.

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luxo Air 8130-8132

Task light for the modern office

http://www.luxo.com/product/air–494.aspx

desk lamp, table lamp,  clamp

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