DEVICE FOR ABSORBING IMPACT IN CLOSING OF A SLIDE DOOR, COMPRISING A DOOR UNIT INSTALLED TO OPENING SIDE OF A SLIDE DOOR AND A VEHICLE BODY UNIT INSTALLED TO A VEHICLE BODY

摘要

PURPOSE: A device for absorbing impact in closing of a slide door is provided to protect a vehicle body and to prevent a person's finger or clothes from being caught by absorbing impact given to the vehicle body by the door. CONSTITUTION: A device for absorbing impact in closing of a slide door comprises a door unit installed to the opening side of the slide door and a vehicle body unit. The door unit includes a direct current generator(22) connected to a roller shaft to generate a direct current in movement of the slide door; a relay(24) switching switches to an on-state if the current is applied from the direct current generator; a first electromagnet(26) producing magnetic force by the current applied by the switching of the relay; a resistance(27) connected between the first electromagnet and the relay; and a condenser(28) connected to the resistance in parallel. The vehicle body unit includes a sensor(32) detecting the speed when the slide door closes and outputting a detection signal when the speed is over critical speed; a relay part(36) switched to supply power from a battery(38) by the signal input from the sensor; and a second electromagnet(34) producing repulsive force to the first electromagnet if the power is applied through the relay part.