Weighing scales – Structural installation – Vehicle
Reexamination Certificate
2007-04-30
2009-02-24
Gibson, Randy W (Department: 2841)
Weighing scales
Structural installation
Vehicle
C702S174000, C177S137000
Reexamination Certificate
active
07495185
ABSTRACT:
To measure the loaded weight of a dump truck, accurately and inexpensively. In a dump truck comprising a set of equalizer bars respectively provided rotatably on the left and right-hand sides of a vehicle body; first vehicle wheels supported respectively by means of first suspension devices on one side of each equalizer bar; second vehicle wheels supported respectively by means of second suspension devices on the other side of each equalizer bar; and third vehicle wheels provided respectively on the left and right-hand sides of the vehicle body separately from the equalizer bars, and being supported respectively by means of third suspension devices; a first load applied to the second suspension device is detected; a second load applied to the third suspension device is detected; the angle of inclination of the vehicle body is detected; and a loaded weight is calculated on the basis of the first and second loads, and the angle of inclination.
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Matsuda Kazuo
Takeda Shu
Gibson Randy W
Komatsu Ltd.
Westerman, Hattori, Daniels & Adrian , LLP.
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