| A | B |
|---|
| direct drive | a drive that has the least slippage. |
| belt drive | uses a belt to connect a pulley on the wheel axle to the motor pully. |
| low-shear | the point at which the back hinges to the seat a few inches above the point at which the seat and back meet. |
| friction drive | system that applies a driving force through a roller, attached to the motor, that is pressed against the tires. |
| casters | front wheels on wheelchairs. |
| dependent mobility | required bases, which are propelled by an attendant and includes strollers and transport chairs. |
| tilt-in-space | also called orientation-in-space or rotation-in-space. |
| reclining back | systems that allow a change in the seat-to-back angle of the wheelchair. |
| independent power mobility | bases that are required when the user has difficulty propelling a wheelchair manually. |
| light weight | conventional wheelchairs made of stainless steel or aluminum. |
