Cargo area lighting system for trucks

B - Operations – Transporting – 60 – Q

Patent

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Details

B60Q 3/06 (2006.01)

Patent

CA 2237569

A lighting system using piped light is provided for the cargo space of a truck (10). A light source (32) mounted on the truck body (14) is energized by the truck electrical system through a switch (48) in the cab (12). Plural lithting fixtures are mounted to the roof (18) of the truck body for illuminating the cargo space. Each lighting fixture receives light which is piped through a separate light pipe (38) from the source to the fixture. There are two sets of lighting fixtures each of which is disposed in a linear array extending along a line from the front to the rear of the truck body. The light pipes (38A) for one set of lighting fixtures are all disposed in a first enclosure (96) and the light pipes (38B) for the other set of lighting fixtures are all disposed within a second enclosure (98). Certain sections (96A, 96B, 98A, 98B) of the enclosures are provided with a transparent lens and certain light pipes within the enclosures emit side light through the lens. A lighting fixture at the rear door (26) of the truck body is provided with an optical switch for turning the lighting fixture on or off.

L'invention concerne un système d'éclairage pour la zone de chargement d'un camion (10), utilisant des conduites à lumière. Une source de lumière (32) montée sur le corps (14) du camion est alimentée par le système électrique du camion, par l'intermédiaire d'un commutateur (48) dans la cabine (12). Plusieurs points d'éclairage sont prévus sur le plafond (18) du camion pour éclairer la zone de chargement. Chaque point d'éclairage reçoit la lumière par une conduite séparée (38) depuis la source. Il y a deux séries de points d'éclairage dont chacune forme une ligne allant de l'avant jusqu'à l'arrière du corps du camion. Les conduites à lumière (38A) d'une série de points d'éclairage sont toutes enfermées dans une première gaine (96) et les conduites à lumière (38B) de l'autre série de points d'éclairage sont toutes enfermées dans une seconde gaine (98). Certaines sections (96A, 96B, 98A, 98B) des gaines comportent une lentille transparente et certaines conduites lumineuses des gaines émettent une lumière latérale par la lentille. Un point lumineux sur la porte arrière (26) du corps du camion comporte un commutateur optique pour allumer et éteindre la lumière.

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