Vehicular abutment alarm apparatus

Details Vehicular abutment alarm apparatus Vehicular abutment alarm apparatus

1992-12-10

1994-12-20

Peng, John K.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340440, 340435, 340437, 200 6144, 180224, 116 28A, B60Q 100

Patent

active

053749189

ABSTRACT:
A tractor-trailer vehicle includes one, and typically a plurality, of signal switches mounted at spaced intervals along a top wall of the trailer structure, wherein engagement of the signal switches relative to an abutment effects audible and visual alarm within a cab of the associated transport vehicle structure.

REFERENCES:
patent: 2554371 (1951-05-01), Marx
patent: 2834002 (1958-05-01), Nordsiek
patent: 3269783 (1966-08-01), Kriz
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patent: 3720916 (1973-03-01), Edgar
patent: 4156865 (1979-05-01), Lovell et al.
patent: 4237446 (1980-12-01), Roberts
patent: 4307375 (1981-12-01), Marshall, Sr.
patent: 4460889 (1984-07-01), Elks
patent: 4855736 (1989-08-01), Hsu

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