Leaf spring load measuring device and program

Details Leaf spring load measuring device and program Leaf spring load measuring device and program

2006-09-13

2009-12-01

Caputo, Lisa M (Department: 2855)

Measuring and testing

Spring testing

Reexamination Certificate

active

07624631

ABSTRACT:
A leaf spring load measuring device of the present invention comprises a weighing mechanism, a measuring mechanism, a metering mechanism, and a control mechanism. The weighing mechanism applies a load heavier than a working load to a leaf spring, thereby bending the leaf spring in its thickness direction, and maintains the resulting state for a predetermined hold time. The measuring mechanism measures a load value of the leaf spring in a manner such that the spring is subjected to a load within a range of the working load. The metering mechanism meters a displacement of the spring when the load value is measured. The control mechanism controls the weighing mechanism, the metering mechanism, and the measuring mechanism, and has a timer function to meter the hold time.

REFERENCES:
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patent: 3897844 (1975-08-01), Chevalier
patent: 5088333 (1992-02-01), Kiely et al.
patent: 5291360 (1994-03-01), Foote
patent: 6199427 (2001-03-01), Kroll et al.
patent: 7069777 (2006-07-01), Umebayashi
patent: 7143643 (2006-12-01), Umebayashi
patent: 2004-355678 (2004-12-01), None

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