| 摘要 |
In addition to the conventional locks, additional electromotively actuable fastening devices (ZEMBV) are accommodated in a cavity of the spar and can be switched on and off only by the radio or acoustic activation of a receiver circuit. Each ZEMBV contains an electric motor and a sliding body having a guide rail which engages into the guide groove of a guide tube. The screw thread of the shaft of the motor located behind it engages into a nut thread at the rear end of the sliding body, pushes the latter into the aperture of the door in one direction of rotation of the motor and pulls it out in the opposite direction of rotation. The radio-receiver circuit is connected to one of two switching circuits connected to one another by means of an isolating switch and the mechanism actuating the ZEMBV is connected to the other switching circuit. Switching circuit A remains dead, as long as the ignition is live, and switches when at least one of the ZEMBV is switched to "BLOCK".
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