Casters: Small but Mighty
It's the little things in life that can do so much for us, yet so many people don't stop to think about the valuable service they provide. One such example of little things providing a big service is the caster. Paired with a wheel, and often referred to as a caster wheel, the caster is a small invention comprised of plastic and/or metal that enables wheels to be attached to the bottom of furniture, appliances, and heavy machinery - and additionally, also allows for the wheels to roll back and forth, and sometimes pivot and swivel.
If you have ever helped a family member move a refrigerator to do some much-needed cleaning, or if you have rolled across an office space in a desk chair, then you are already familiar with casters, even if you didn't know that's what they were called. While furniture and appliances may not decrease in weight simply because of the addition of casters, the presence of the wheels makes it easier for those items to be moved. Ask any employee of a moving company or warehouse about casters, and they'll surely tell you how much they appreciate their existence.
In a medical environment, you'll find that casters are both in high demand and high use. From the nurses who rely on mobile laptop carts to the lab technicians who push around heavy x-ray and CT scanning equipment to the assistant nurses who move patients in their beds, medical casters are certainly found all over hospitals, doctors' offices, and other medical buildings.
Casters can also be found in many homes, and on more than refrigerators: sofas, standalone dishwashers, portable air conditioners, desks, office chairs, and those colored plastic stackable drawer units all come equipped with casters.
The nice thing about casters and caster wheels is that they are inexpensive; durable; and if one should break, replaceable. You can find casters of all sizes and weight limits at just about any hardware store, and manufacturers of specialized equipment will often sell replacement casters. If you should need a replacement caster, attempt to contact the manufacturer first and foremost, because if they have one, it's a guaranteed fit.