초록

A front wheel drive power wheel chair has the drive wheel axis of rotation forward of the wheelchair user's eyes and cranial center of perception.

대표청구항 ▼

[What is claimed is:] [1.]a. a support frame;b. a seat mounted to the support frame, the seat having a seat portion for supporting a person's thighs and buttocks and a back portion for supporting a person's back when seated upright in the seat;c. a pair of drive wheels on the support frame rotatable

[What is claimed is:] [1.]a. a support frame;b. a seat mounted to the support frame, the seat having a seat portion for supporting a person's thighs and buttocks and a back portion for supporting a person's back when seated upright in the seat;c. a pair of drive wheels on the support frame rotatable about transverse axes, the drive wheels positioned below the seat portion and forward of the back portion;d. at least one motor for rotatable driving the drive wheels to provide powered movement of the wheelchair, the motor being supported by the frame;e. at least one battery for supplying power to the motor, the battery being removably supported on the frame;f. at least one ground-engaging castor type idler wheel connected to the frame behind the drive wheels and rearward of the back of the seat;g. at least two anti-tip idler wheels positioned forward of the drive wheels and the seat, the anti-tip idler wheels positioned off the ground when the drive wheels and the at least one castor-type idler wheel are in their normal ground engaging position on level ground; andh. a resilient suspension attached to and supporting each anti-tip idler wheel, each suspension permitting the associated anti-tip idler wheel to deflect independently of the other anti-tip idler wheel.