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Gears used in an older model car. The sprocket gear (far left) carries three bevel pinions on its three radii. The pinions connect to wheels on either side with the wheels attached at the inner ends of the divided axle shaft (middle).

Gear Differentials

Gears used in an older model car. The sprocket gear (far left) carries three bevel pinions on its three…

A form of gears that used to be employed for tricycles. The studs (AA) are set into the sprockets and turn on their own axes. They turn only when either of the wheels causes rotating (the other wheels are attached to B and C).

Differential Gear

A form of gears that used to be employed for tricycles. The studs (AA) are set into the sprockets and…