초록 ▼

A vehicle movable on at least first and second wheels utilizing a first platform having wheels attached to the same. A second platform is rotatably attached to the first platform and spaced outwardly from the first and second wheels attached to the first platform. Bosses, fixed to the second platfor

A vehicle movable on at least first and second wheels utilizing a first platform having wheels attached to the same. A second platform is rotatably attached to the first platform and spaced outwardly from the first and second wheels attached to the first platform. Bosses, fixed to the second platform, extend to the vicinity of the first platform wheels. Linkages, such as rods, are rotatably attached to the bosses and to the wheels for provision of steering and braking controls. In certain embodiments, a third platform is employed to activate a braking wheel.

대표청구항 ▼

1. A vehicle movable on at least first, second, and third swiveling wheels, comprising:a. a first platform, said first, second, and third swiveling wheels rotatably attached to said first platform; b. a second platform rotatably attached to said first platform; c. a third platform rotatably attached

1. A vehicle movable on at least first, second, and third swiveling wheels, comprising:a. a first platform, said first, second, and third swiveling wheels rotatably attached to said first platform; b. a second platform rotatably attached to said first platform; c. a third platform rotatably attached to said first platform; d. a fourth platform rotatably attached to said first platform, said second, third, and fourth platforms spaced further outwardly from the first, second, and third swiveling wheels than said first platform; e. a first boss fixed to said second platform and extending to the vicinity of the first wheel; f. a first link rotatably attached to said first boss and to the first swiveling wheel; g. a second boss fixed to said third platform; h. a second link, rotatably attached to said second boss and to the second swiveling wheel; i. a third boss fixed to said fourth platform; and j. a third link rotatably attached to said third boss and to the third swiveling wheel.