Arrangement of measuring devices on a semitrailer motor vehicle

Measuring and testing – Dynamometers – Responsive to force

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280504, G01L 513

Patent

active

054388813

ABSTRACT:
The present invention relates to the arrangement of measuring devices on a semitrailer motor vehicle having a tractive unit, a semitrailer unit and a fifth wheel fastened to the tractive unit. The measuring devices(s) in each arrangement are disposed between the fifth wheel and the semitrailer. In one embodiment, a force sensor for measuring tractive and acceleration forces is disposed on a coupling claw forming part of a locking mechanism associated with the fifth wheel. In the same embodiment, a measuring device for measuring impact and pressure forces arising during braking is operationally connected to a movably mounted contact part forming part of the locking mechanism. Alternative embodiments of the present invention showing different measuring arrangements are also disclosed.

REFERENCES:
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patent: 4405146 (1983-09-01), Mitchell
patent: 4477100 (1984-10-01), Elyakim
patent: 4702488 (1987-10-01), Baillie
patent: 5026085 (1991-06-01), Ducote
patent: 5060965 (1991-10-01), Haefner et al.
patent: 5152544 (1992-10-01), Dierker, Jr. et al.
patent: 5230392 (1993-07-01), Tremblay
patent: 5294143 (1994-03-01), Jarvinen

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