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US 6,059,304 AGranted
Suspension device with crank type axle
OwnerTomio Kakimiinventor
Life of this patent
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OwnerTomio Kakimiinventor
Estimating the term…
The invention provides a simplified, light-weight, and an inexpensive suspension device which is capable of absorbing and mitigating shock and oscillation caused by projections and recesses on the road surface. To achieve the above object, the invention has embodied a suspension device 10 comprising the following: a main crank shaft 14 being rotatably supported by a shaft supporter 12 secured to a main body frame, a pair of crank arms 16 and 18 extending themselves substantially orthogonally from both ends of the main crank shaft 14 in the direction inverse from each other, and a pair of crank pins 24 and 26 being set projectively to edge portions of said crank arms 16 and 18 and housing wheels 20 and 22 by coupling therewith. Directions of a pair of crank arms 16 and 18 extending themselves in the inverse directions respectively form a predetermined angle by way of centering around the main crank shaft 14.
A suspension device coupled to wheels comprising;
A vehicle having a front wheel and/or a rear wheel, wherein at least one of the front and rear wheels include a suspension device comprising:
A vehicle having a front wheel and a rear wheel, wherein the front wheel and the rear wheel include a suspension device comprising:
Dependencies are inferred from the claim text.