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Hub-odometer-damping-mechanism

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Hub odometer damping mechanism

Details

Inventors: Haynes, Jerry L.; Thomas, Jr., Oliver R.;
Assignee: Veeder Industries Inc. (Hartford, CT)
Primary Examiner: Tomsky; Stephen J.
Assistant Examiner:
Attorney, Agent or Firm: Prutzman, Kalb, Chilton & Alix

A hub odometer having a pendulous recording mechanism with loose ball anti-orbiting means with two damping balls mounted within a radial ball track diametrally of the center of gravity of the pendulous recording mechanism and having a width in the circumferential direction approximately equal to but slightly greater than the total width of the two damping balls.

DETAILED DESCRIPTION The present invention relates generally to hub-mounted odometers useful in recording the revolutions of a vehicle wheel and more particularly to a new and improved damping mechanism for damping angular motion of the usual pendulous mass of such hub odometers.
It is well known that road irregularities, as well as vehicle acceleration and deceleration, may cause oscillatory motion and orbital rotation of the pendulous mass of a hub odometer.
Since accurate operation of the hub odometer depends upon nonrotation of the suspended or pendulous mass for properly recording the revolutions of the vehicle wheel, it is extremely important that the pendulous mass be effectively restrained against such orbital rotation.
Therefore, it is a principal aim of the present invention to provide a new and improved damping mechanism for a hub-mounted odometer for damping road irregularity caused rotation and oscillation of the pendulous mass of the hub odometer and for thereby reducing or eliminating orbital rotation of the pendulous mass and the resulting odometer error.
It is another aim of the present invention to provide a new and improved loose ball type damping mechanism for the pendulous mass of a hub odometer.
It is a further aim of the present invention to provide in a hub odometer, a simple, compact and effective damping system for the pendulous mass of the hub odometer.
Other objects will be in part obvious and in part pointed out more in detail hereinafter.
A better understanting of the invention will be obtained from the following detailed description and the accompanying drawings of an illustrative application of the invention.

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