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Method of surveying, selecting, evaluating, or servicing the tires of vehicles

  • US 4,773,011 A
  • Filed: 01/27/1986
  • Issued: 09/20/1988
  • Est. Priority Date: 01/27/1986
  • Status: Expired due to Term
First Claim
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1. A method for servicing the tires used by a vehicle or a fleet of vehicles comprising the steps of:

  • (a) accumulating for each vehicle type the following data;

    number and type of tire positions per vehicle, types of tires at each said tire position, cost of different types of tires and the cost of used tire carcasses;

    (b) accumulating for each vehicle type any of the following data;

    fuel costs, number of and cost of repairing flats, cost of changing tires, and average distance traveled, tread depths of new and recapped tires, wear rates of said new and recapped tires, number of vehicles for each type, current tread depth for removal of tires from each said tire position, current rotation sequence used for the transfer of tires;

    (c) inputting the data accumulated from steps (a) and (b) above into a computer;

    (d) determining with the aid of said computer and utilizing the data of steps (a) and (b) at least one of the following;

    (1) type of tire to be installed at each said tire position for a vehicle type, (2) suitable tread depths for a vehicle type for removal of new and recapped tires fro each said tire position, and (3) a tire rotation sequence for the transfer of tires for a vehicle type including at least one of the following;

    the transfer of tires from one vehicle position to another, the removal of tires for recapping and reinstalling in another said tire position, and the removal of tires for scrapping; and

    (e) determining with a computer a service schedule for replacing, transferring, recapping and scrapping said tires, said determining being performed by using the relationships between the data obtained in steps (a) and (b) above the determinations in step (c) above.

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