Geometrical instruments – Gauge – Axle
Patent
1976-03-30
1977-11-01
Stephan, Steven L.
Geometrical instruments
Gauge
Axle
3320313, 3320315, G01B 314, G01B 525
Patent
active
040558991
ABSTRACT:
An axle alignment machine on which a trailer can be driven and fastened, simulating the fastening of a trailer to a fifth wheel of a tractor. The machine having a pit located therein which contains carriages that move on tracks. The carriages support the wheels of a trailer so that with plumb bobs and markings in the pit a static alignment of the axles of the trailer may be obtained and with the use of motors to turn wheel rollers on the carriages a dynamic alignment of the axles of the trailer may be obtained.
REFERENCES:
patent: 3137076 (1964-06-01), Hurst
patent: 3897636 (1975-08-01), Leblanc
Metz Wm. T.
Stephan Steven L.
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