Hubometer
From Wikipedia, the free encyclopedia
A hubometer (hub, center of a wheel + -ometer, measure of), or hubodometer, is a device mounted on the axle of an automobile or other vehicle that measures distance traveled.
The whole device rotates with the wheel except for an eccentrically mounted weight on an internal shaft. This remains pointing downwards and drives the counting mechanism as the body of the hubometer rotates round it.
[edit] Typical uses
They are needed on semi-trailers where they are the only means of measuring distance traveled over the lifetime of the trailer.
They are used on bus wheels where the tires are supplied to the bus operator by an independent company on a contract of "price per thousand kilometers". The hubometer is installed by the tire company to give them their own measure.
[edit] See also
[edit] External links
- Veeder-Root Hubodometers - Manufacturer of hubodometers
- Abbott Enterprises - Manufacturer of hubodometers
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