| 摘要 |
The present addition to the main patent has the object of eliminating the need to connect the passengers' seatbelts if the driver is the only one in the car. The device consists of a contact A located in the passenger seat, connected to earth and in parallel with the contact 2 in the casing 1. According to the device, the contact A is taken out of service as soon as a passenger has sat down, and the basic system of the main patent is thus re-established. <IMAGE>
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