Archive for the ‘ coils ’ Category

Continuous Coils

Continuous Coils [caption id="attachment_719" align="aligncenter" width="347"] Looking down rows of continuous coils Image from Bedrooms & More, Seattle, Washington[/caption] Continuous coils are the least expensive type of coils used in innerspring mattresses. According to Seattle Mattress Company, this coil type was invented by Serta. Currently, Serta is the largest user of continuous coils. Serta's continuous coils are manufactured by Leggett & Platt under the trade name...

Offset (Karr) Coils

Offset (Karr) Coils [caption id="attachment_705" align="aligncenter" width="642"] Offset Coil System Image from Bedrooms & More, Seattle, Washington[/caption] Offset coils, also called Karr coils, were invented in the early 1900s by Frank Karr, who also started the Spring Air mattress company. They were developed from Bonnell coils, the original support for innerspring mattresses. Since the inception of offset coils, they have been used by many other mattress companies. The...

Bonnell Coils

Bonnell Coils Bonnell Coil System, Image from Bedrooms & More, Seattle, Washington The oldest type of coil used in mattresses is the Bonnell coil. Bonnell coil mattresses are often called "traditional mattresses" or "traditional innerspring mattresses." Other types of coils have been developed since, but they all originate in the Bonnell coil. Bonnell coils themselves were developed from buggy seat springs. They are hourglass shaped. The ends are knotted, the end of the wire...

Box Springs

Box Spring (from US-Mattress) Box Springs A box spring is a sturdy frame–usually wood–on which springs are mounted. The frame and springs are covered in cloth, usually with padding on the top and a base pad on the bottom. According to the Merriam-Webster online dictionary, the first known use of the term “box spring” was in 1865.[1] The term box spring is sometimes alternatively spelled box-spring. Making it one word, boxspring, is generally not acceptable. Traditionally, the...

European Wood Slats

European Wood Slats – In Europe, the preferred foundations have several closely spaced slats made from a springy wood, such as beech. The resiliency of the wood makes the wood slat foundation absorb shock, much like a box spring. The springiness of wood can be felt walking over a wooden floor as opposed to a concrete surface. Unlike the box spring, a wood slat foundation does not depend on metal, making it preferred by persons wary of the amplification of electromagnetic radiation...

Foundations

Overview Just as a foundation supports a building, so a foundation supports a mattress. When mattresses were first made, they sat directly on the ground or the floor. Sometimes the mattress was set on a raised area, a platform or ledge, which then became the foundation. This helped keep the bed dry and warm. At some point in time, those who could afford it had beds with legs built to hold the bed off the floor with free space underneath. Raised beds are not new. The Old Testament book...

Mattresses, Beds, and How We Sleep

by Wesley Vaughn   [caption id="attachment_342" align="aligncenter" width="397"] Sealy Mattress and Box Spring[/caption]   It is common knowledge that we need sleep, and that—for the most part—several factors determine whether and how we sleep. Among these factors are time of day, how tired we are, physical condition, medication, diet, amount of light, noise, vibration and motion, warmth and cold, pain and comfort. Even knowing this much, it is easy for many people to...

Wooden Coils: What Will They Make Springs from Next?

By Wesley Vaughn What are innerspring coils made of? “Steel,” we say. Other options are: Stainless steel, titanium steel, titanium alloy, or some other metal alloy. That is it! Or it was—until now. Among the new mattress companies at the Winter Las Vegas Market in January 2014 is VitalWOOD USA, the U.S. distributor for VitalWOOD, a division of Hungarian manufacturer Bio-Textima. This family-owned firm developed the wooden coil as an alternative to metal springs, releasing it...

Microcoils

[caption id="attachment_199" align="aligncenter" width="242"] Leggett & Platt "Softouch" Microcoil[/caption] Definition Microcoils (or minicoils) are coils which are smaller than standard innerspring coils. Innersprings are usually 6” to 8” high. Some microcoils are 4” high, but most are much shorter, usually 1” to 2½” high. They are also narrower and made with lighter gauge wire. Some microcoils are only ¾” tall. At least one supplier calls the shorter ones...

Spring to Sleep

What kinds of springs are in your mattress? Metal Springs The best selling mattresses over time have been innerspring mattresses. The first mattress springs were adapted from buggy seat springs. These springs are called Bonnell coils. For a long time, they were the only kind of springs used in mattresses. Now there are several types of innerspring coils. The major kinds are Bonnell, Offset, Continuous and Pocket. Within each of these kinds are variations. Each type of innerspring has its own...

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