Reducible chassis of a man-carrying vehicle
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United States of America Patent
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May 31, 2011
Grant Date -
Jun 17, 2010
app pub date -
Dec 16, 2008
filing date -
Dec 16, 2008
priority date (Note) -
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Abstract
A man-carrying vehicle has a chassis, which can be reduced for the vehicle to be easy to store, put away and transport; the chassis includes a front part, a rear part, and a stretching and reducing device interposed between the front and the rear parts; the stretching and reducing device includes first and second stationary components, first and second crank and connecting rod combinations, and a stretching and reducing assistant unit; the first and the second stationary components are fixedly joined on the front and the rear parts respectively; the crank and connecting rod combinations are interposed between and pivoted to the stationary components; the stretching and reducing assistant unit is interposed between and pivoted on one of the stationary components and one of the crank and connecting rod combinations to provide power to change position of the front part in relation to the rear part of the chassis.
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