Wheelchair accessory device for increased mobility

A wheelchair accessory device for attachment to a wheelchair, the wheelchair accessory device comprising:

• a wheel assembly comprising:
• a wheel including a hub;
• a first crank arm affixed to the hub;
• a first pedal pivotably attached to the first crank arm;
• a second crank arm affixed to the hub;
• and
• a second pedal pivotably attached to the second crank arm;
• a yoke comprising:
• a first end portion;
• a second end portion opposite of the first end portion;
• and
• a center portion between the first and second end portions;
• a first clamp device configured to releasably clamp the first end portion of the yoke to a first tube of a wheelchair;
• a second clamp device configured to releasably clamp the second end portion of the yoke to a second tube of the wheelchair;
• and
• a fork assembly interconnecting the yoke and the wheel assembly, the fork assembly including a fork-to-yoke coupling mechanism pivotably coupled on the center portion of the yoke whereby the wheelchair accessory device is selectively reconfigurable, by manually pivoting the fork assembly relative to the yoke, between:
• (i) a deployed operative configuration in which the wheel assembly is positioned in front of the wheelchair and the wheel is in contact with a surface on which the wheelchair rests and (ii) a retracted stowed configuration in which the wheel assembly is at least partially under a seat of the wheelchair and the wheel is out of contact with the surface.