What are semi-pneumatic casters?
What are semi-pneumatic casters?
Semi-pneumatic caster wheels feature an extra thick, solid soft rubber tire on an industrial plastic center and are ideal for uneven floors indoors or on grass outdoors, but should not be used on sand or gravel surfaces.
What are pneumatic casters?
Pneumatic casters feature air filled rubber wheels. They are designed for low speed, manually moved applications. Pneumatic wheels provide a cushioned ride, shock absorption and quiet operation. Casters with pneumatic wheels are usually the best choice for use outdoors over rough surfaces (i.e. gravel) or on grass.
What does semi-pneumatic tire mean?
Semi-pneumatic tires are also Flat Free because they don’t go flat, but they do not provide the bounce or cushion of flat free or air filled tires. These tires are made of solid rubber with a hollow air-pocket through the center of the tire.
What is a wheelchair caster?
The purpose of wheelchair casters is to stabilize the wheelchair while the drive wheels (powered wheels on a power wheelchair & large handrimmed wheels on a manual wheelchair) propel the wheelchair. …
What are pneumatic wheels made of?
Pneumatic tires are wheels with a metal hub with a rubber tire mounted to it. Instead of being solid in nature, the tire is filled with air or foam to the desired pressure level to achieve the appropriate load and deflection characteristics.
What is a flat free pneumatic tire?
Airless tires, non-pneumatic tires (NPT), or flat-free tires are tires that are not supported by air pressure. They are used on some small vehicles such as riding lawn mowers and motorized golf carts. Tires composed of closed-cell polyurethane foam are also made for bicycles and wheelchairs.
When should you replace wheelchair casters?
You need to replace the caster: if the caster tire is worn, the caster wobbles when spun freely, or if the caster does not spin freely when in the chair during wheelchair propulsion.
