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US Patent 5817989 - Vehicle-load-weight display system

US Patent Issued on October 6, 1998
Estimated Patent Expiration Date: Icon_subject September 21, 2015Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
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Abstract

A vehicle-load-weight display system includes a weight calculating means 1 which obtains the load weight from output signals from sensors mounted in a vehicle, a display means 2 displaying the load weight obtained by the calculating means 1, and a display control means 3 controlling the display means 2 during a run so as to display the load weight obtained prior to the run. The weight calculating means 1 obtains the load weight from output signals provided by the weight sensors in the initial part of each period at constant intervals, and the display control means 3 decides whether the vehicle is running by a pulse outputted from a run sensor during each of multiple periods. A detecting means 4 detecting the start of loading and unloading works when a given time has passed after the vehicle stopped running. During the period from the detection of the start of loading and unloading works to the start of the vehicle running, the weight calculating means 1 calculates the difference in the load weights between the present period and the previous period, and moreover the display control means 3 makes the display means 2 display the present weight obtained by adding the difference in the load weights to the previously displayed weight.

Inventors

Assignee

Application

No. 531647 filed on 09/21/1995

US Classes:

177/136, Vehicle177/25.13, Digital177/25.19Weight history

Field of Search

177/25.11, COMPUTER177/25.12, Electrical177/25.13, Digital177/25.19, Weight history177/136, Vehicle177/137, Running gear springs177/138, With indicator disconnect means177/139, Unitary load transferrer and weigher177/141Hydraulic weigher

Examiners

Primary: Gellner, Michael L.
Assistant: Gibson, Randy W.

Attorney, Agent or Firm

US Patent References

4839835Apparatus and method responsive to the on-board measuring of the load carried by a truck body
Issued on: 06/13/1989
Inventor: Hagenbuch

Foreign Patent References

  • WO89/01136 WO. 02/17/1989
  • WO89/01137 WO. 02/17/1989

International Class

G01G 019/02

Foreign Application Priority Data

1994-11-07 JP

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