Device for allowing a wheeled vehicle for individuals to be...

Details Device for allowing a wheeled vehicle for individuals to be... Device for allowing a wheeled vehicle for individuals to be...

2008-10-08

2011-10-18

Shriver, II, J. Allen (Department: 3618)

Land vehicles

Wheeled

Occupant propelled type

C280S650000, C280S304100, C280S642000, C280S755000, C180S065100

Reexamination Certificate

active

08038165

ABSTRACT:
A foldable wheeled vehicle for individuals includes a main body, front and rear wheels joined on the body, and an anti-tip wheel joined on a rear end of the main vehicle body; the rear wheels will be in an immobilized state when the vehicle isn't in-use; the anti-tilting wheel will move to be below the rear wheels automatically when the vehicle is folded; thus, the vehicle in the folded position can be dragged with the front wheels and the anti-tip wheel contacting the ground; secondly, the anti-tip wheel will be in a higher position than the rear wheels when the vehicle is in an expanded in-use position; thus, when the vehicle is moving along a slope and tilting rearwards, the anti-tip wheel will contact the ground to prevent the vehicle from tilting rearwards excessively to overturn.

REFERENCES:
patent: 7472923 (2009-01-01), Wang

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