| 摘要 |
A vending machine (10) with a safety electrical back light sign assembly (32) having a sign panel assembly with a translucent sign panel (18A) and a fiber optic sign panel (18B) secured together to form an enclosure of a main housing (16) within which is contained a back light source (32A, 34B) having its own source of power (33, 35) shared with the other vending machine components (12, 14) and a fiber optic light assembly (36) with a fiber optic light source (38) protectively contained within a fire resistant housing (51) mounted within the housing (16) and having its own connection to AC power (47, 49) separate from the connection for the remainder of the vending machine (10) and a fan (63) to exhaust the interior of the fire resistant housing (51) of hot air, and a method of safe lighting of a sign panel assembly (18) of a vending machine (10).
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