Access device, e.g. for mall entrance system, has door element movable against tensional force generator to initial force to open position when activated, then by force generator to end position, then automatically back to initial position
DANIEL, KARSTEN, CZYGAN, CAROLIN, EGGERT, LENNART, ROS, ANDREAS, TESCHKE, ANDRE
Year of Publication 13.12.2007
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Year of Publication 13.12.2007
Patent