Posted October 23rd, 2014
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Offset (Karr) Coils

Tag Archives: mattress types

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...

Wool

[caption id="attachment_471" align="aligncenter" width="640"] "Flock of sheep". Licensed under Public domain via Wikimedia Commons.[/caption] Wool The simplest definition of wool is hair grown by sheep. It now includes hair from several types of goats as well as llamas. Wool is one of the oldest fibers used by humans, and sheep are among the earliest domesticated animals. From the many breeds of sheep come many varieties of wool, offering many choices to mattress manufacturers and their...

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...

Quality Sleep: How to Get a Night of Rest and Restoration

by Wesley G. Vaughn If someone tells you, "It's not how long you sleep, but how well you sleep," they're half right. It's both. Research studies show us that quantity and quality of sleep are correlated and work together. We cannot have quality sleep unless we have enough sleep. On the other hand, staying in bed for a certain amount of time does not automatically provide us with much needed rest, relaxation and restoration. Sleeping long but not sleeping well may be called "Empty Sleep...

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...

Spring Beds – The Good, The Bad, and The Ugly

By Scott Braddam   A recent poll on our main website, Beds.org, showed that about 38% of our readers prefer a spring bed over all other types. While I definitely prefer a memory foam bed, obviously some people like springs better. So how do you know what to look for in a spring bed? Personally, I am a very analytical person. I need to know what makes things tick. For that reason, I have developed a standard approach for evaluating almost anything I buy, from snacks to a house or a...



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