초록 ▼

The present invention provides an economical, universal wheelchair conversion kit which offers two, hand-powered, variable-resistive, drive mechanisms for the main wheels of a wheelchair which can be retrofitted to existing wheelchairs and that provide the operator of the vehicle means of easy mobil

The present invention provides an economical, universal wheelchair conversion kit which offers two, hand-powered, variable-resistive, drive mechanisms for the main wheels of a wheelchair which can be retrofitted to existing wheelchairs and that provide the operator of the vehicle means of easy mobility, independent brakes for safety and maneuverability, and the resistive means for exercising the upper body musculature and the cardiovascular systems while using the chair in either a mobile or stationary configuration. The present invention enables the elevation of the wheelchair rear wheels such that the wheelchair is dedicated to an exercise function. In all, the present invention provides a comprehensive solution to the mobility and immobility health related problems of many wheelchair bound persons.

대표청구항 ▼

1. In a wheelchair having a frame, a seat on the frame, two rear wheels attached to the frame, and two pivoting front wheels attached to the frame, the improvement which comprises:(a) a pair of rear wheel gears, each gear being attached to, and axially aligned with, one of the wheelchair rear wheels

1. In a wheelchair having a frame, a seat on the frame, two rear wheels attached to the frame, and two pivoting front wheels attached to the frame, the improvement which comprises:(a) a pair of rear wheel gears, each gear being attached to, and axially aligned with, one of the wheelchair rear wheels; (b) a pair of housings, each housing being attached to the wheelchair frame; (c) a pair of axles, each axle rotatably attached to one of the housings; (d) a pair of reversible ratchet mechanisms, each ratchet mechanism attached to one of the axles; (e) a pair of handles, each handle positioned for ratcheting one of the ratchet mechanisms, such ratcheting rotating the axles; and (f) a pair of drive gears, each drive gear attached to one of the axles for rotation with the axles, each drive gear meshing with one of the rear wheel gears, such rear wheel rotating when the drive gear rotates; and (g) a pair of adjustable tension members, each tension member being attached to one of the housings and adjustable such that the tension member contacts the axle, such contact creating resistance to the rotation of the axle.