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US Patent 5161628 - Axle spring balance

US Patent Issued on November 10, 1992
Estimated Patent Expiration Date: Icon_subject January 8, 2011Estimated 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

The vehicle springs, here leaf spring (7) are the primary spring (and) measuring springs (11) engaged parallel thereto are the secondary springs of elastic force dividers. The part of the weight force of a vehicle (6) flowing over the measuring springs is led over a force sensor (5). A clinometer (12) measures both longitudinal and also transverse inclination of the vehicle (6). The signals of the force sensors (5) and of the clinometer (12) are fed to a computer, which forces the sum of the weight forces that act upon the (here) four force sensors (5). Besides the inclination correction mentioned, the computer performs all the weighing arithmetic operations, such as tare weight formation, weight difference determination, and also calculates transport performance magnitudes.

Inventor

Assignee

Application

No. 634204 filed on 01/08/1991

US Classes:

177/137, Running gear springs177/199PLURAL DISTINCT LOAD HOLDERS WITH COMMON EVALUATOR

Field of Search

177/137, Running gear springs177/138, With indicator disconnect means177/199PLURAL DISTINCT LOAD HOLDERS WITH COMMON EVALUATOR

Examiners

Primary: Miller, George H. Jr.

Attorney, Agent or Firm

US Patent References

3314491, 3648790, 3867990, 3955636, Weighing apparatus for truck and vehicle loads
Issued on: 05/11/1976
Inventor: Askew
4623029, Weighing system for vehicles with temperature and inclinometer correction
Issued on: 11/18/1986
Inventor: Bambauer ,   et al.
4691792, Method and apparatus for measuring net weight of load loaded on vehicle
Issued on: 09/08/1987
Inventor: Shintani
4706768, Onboard truck scale
Issued on: 11/17/1987
Inventor: Kozozian ,   et al.
4756374, Vehicle load sensing device
Issued on: 07/12/1988
Inventor: Bailey ,   et al.
4917197Weighing system for vehicles
Issued on: 04/17/1990
Inventor: Waite, Jr.

International Classes

G01G 019/08
G01G 019/00

Foreign Application Priority Data

1989-05-09 CH

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