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2. Motorized wheelchair - Wikipedia

   en.wikipedia.org/wiki/Motorized_wheelchair

   A motorized wheelchair, powerchair, electric wheelchair, or electric-powered wheelchair (EPW) is a wheelchair that is propelled by means of an electric motor (usually using differential steering) rather than manual power. Motorized wheelchairs are useful for those unable to propel a manual wheelchair or who may need to use a wheelchair for ...

3. Eva Houston - Wikipedia

   en.wikipedia.org/wiki/Eva_Houston

   On June 24, 2021, Houston was selected to represent the United States at the 2020 Summer Paralympics. [6] She competed in the 100 metres and 800 metres T34 events. [7]On May 21, 2023, she was selected to represent the United States at the 2023 World Para Athletics Championships. [8]

4. Universal joint - Wikipedia

   en.wikipedia.org/wiki/Universal_joint

   and it is seen that the output drive is just 90 degrees out of phase with the input shaft, yielding a constant-velocity drive. NOTE: The reference for measuring angles of input and output shafts of universal joint are mutually perpendicular axes. So, in absolute sense the forks of the intermediate shaft are parallel to each other.

5. Drive shaft - Wikipedia

   en.wikipedia.org/wiki/Drive_shaft

   A drive shaft, driveshaft, driving shaft, tailshaft (Australian English), propeller shaft (prop shaft), or Cardan shaft (after Girolamo Cardano) is a component for transmitting mechanical power, torque, and rotation, usually used to connect other components of a drivetrain that cannot be connected directly because of distance or the need to ...

6. Wheelchair lift - Wikipedia

   en.wikipedia.org/wiki/Wheelchair_lift

   A wheelchair lift in the front door of a TriMet bus in Portland, Oregon, in 2010 A bus in Prague with wheelchair lift extended, 2006. A wheelchair lift, also known as a platform lift, or vertical platform lift, is a fully powered device designed to raise a wheelchair and its occupant in order to overcome a step or similar vertical barrier.

7. Worm drive - Wikipedia

   en.wikipedia.org/wiki/Worm_drive

   This motor-worm-drive system is often used in toys and other small electrical devices. A worm drive is used on Jubilee-type hose clamps or Jubilee clamps. The tightening screw's worm thread engages with the slots on the clamp band. Occasionally a worm drive is designed to run in reverse, resulting in the worm shaft turning much faster than the ...