| 摘要 |
The accessory for a flat key comprises a housing (1) with an electric heating battery (4), intended to receive the web of a key in order to heat the web for operating a frozen lock. The heating devices comprises two contacts (33, 34) connected to the poles of the battery, the web of the key inserted between these two contacts closes the heating circuit. Preferably, the contacts are so provided that the web of the key is heated by means of its electrical resistance itself. It is further provided a charging device (40) for the battery (4) adaptable on the sleeve of a cigarette lighter of a vehicle, so as to charge the battery (4) through the above mentioned contacts (33, 34). <IMAGE> |
