An alarm unit (1) for a vehicle comprises four magnet housings (4), each having a vehicle-engaging surface and four magnets (5) received within respective magnet housings (4) and arranged for movement relative to the vehicle-engaging surface of the housing. A spring material (11) biases the magnets (5) into a position in which they are spaced from the vehicle-engaging surface of the housing (4). An electrical sensor (10) detects movement of the magnets (5) relative to the vehicle-engaging surface of the magnet housing.
Freight protection system
2016-02-09
Patent
Electronic Resource
English
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
Fire protection in freight handling
Engineering Index Backfile | 1927
|Automatic telescopic side protection device suitable for freight train and freight train
European Patent Office | 2023
|