Anticipate This!™ | Patent and Trademark Law Blog

They Invented What? (No. 169)

Posted in They Invented What? by Jake Ward on May 21, 2010

U.S. Pat. No.6,752,231:  Personal transportation system.

I claim:

1. An automotive vehicle having a pair of road wheels each rotatably mounted on a respective one of a pair of axially aligned stub axles; a trapeze frame, comprising a pair of spaced apart side arms and a horizontal bar mounted therebetween, rotatably mounted between said road wheels and depending from said stub axles; a weighted passenger compartment rotatably mounted on said horizontal bar and having a centre of gravity below said horizontal bar; a pair of powered drive motors each operatively connected to respective one of said road wheels; means to control said motors, mounted in said passenger compartment; braking means operatively connected to said road wheels; and means to temporarily reduce braking force in response to angular displacement between said side arms of said trapeze frame and said passenger compartment so as to prevent rotation of said trapeze bar about said axially aligned stub axles.

2. An automotive vehicle as claimed in claim 1, wherein said drive motors are electric motors.

3. An automotive vehicle as claimed in claim 2 wherein said motors are dc motors.

4. An automotive vehicle as claimed in claim 3 including a plurality of batteries fixedly mounted in said passenger compartment.

5. An automotive vehicle as claimed in claim 4 including passenger compartment attitude control means.

6. An automotive vehicle as claimed in claim 5 wherein said attitude control means comprises weight means adjustably mounted in said passenger compartment.

7. An automotive vehicle as claimed in claim 6 wherein said weight means comprise slidably mounted battery means.

8. An automotive vehicle as claimed in claim 7 including a pair of batteries slidably mounted adjacent said fixedly mounted batteries.

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