A floor lamp adjustable arm is a type of table or floor lamp that allows you to adjust the height. These lamps are great for people who need extra light for reading, sewing or other tasks and are an ideal addition to a dorm room or home office. They can also be used as accent lighting in a living room, kitchen or bedroom.
There are several types of floor lamp adjustable arm, some more common than others. One type, known as a balanced-arm lamp, works with springs.
The springs counterbalance the weight of the lamp, allowing it to be moved into almost any position. This can be done with either a single or dual swinging counterbalance.
In a double swinging arm the lamp cap is attached to the shortest (or forearm) arm of the parallelogram, which is controlled by a small counterweight. A second larger balancing arm (or upper arm) is connected to a heavier counterweight, which lifts the forearm and the lamp cap.
Another way of balancing the arm is by using a spring to control the shortest arm. This is similar to the telescoping arm of the Tizio floor lamp, which was designed in 1927 by Edouard-Wilfrid Buquet.
This kind of balancing is less common, but it may be more efficient than a dual-swinging counterbalance. It requires a heavy base, but can have a longer arm length and can be adjusted in any direction.
Depending on the design, springs may be located near the base or on the mechanical equivalent of the forearm or upper arm. Some use compression springs, while others utilize tension springs.
Some of the earliest forms of this style of lamp were invented in the 19th century. The earliest designs were called “swinging counterbalance” lamps, but the modern versions of this style are often called “floating arm” or “balanced-arm” lamps.
A lamp with a single counterbalance is a more complicated construction that uses one long bar that extends past the parallelogram construction and is connected to the forearm by a counterweight. A short bar also extends past the parallelogram construction and is used to connect the forearm to the lamp cap.
The springs of a spring-balanced lamp work with friction, so the movement of the forearm and the balancing of the upper arm is controlled by the shortest arm’s length and the length of the lamp cap. These two parts are attached to the balancing arm by a spring, which can be either compression or tension.
There are many different kinds of balancing arms, from the classic telescoping arm to the simple but elegant one-arm lamp. Some of these types, including the Anglepoise Floating Arm, are made by well-known manufacturers such as Luxo and Luxo L-1.
A multi-arm floor lamp is an innovative and eye-catching way to add light to any room in your home. These lamps come in a variety of styles to suit any taste. They can be placed in corners, next to a chair or near a desk to illuminate the entire space. They can be paired with other lamps in the same or different colors and styles to create a cohesive look.