发明名称 Safety device for avoiding the fall of roller shutters and gates in case of spring breakage
摘要 <p>A safety device (1) is disclosed for avoiding the fall of roller shutters and gates in case of breakage of at least one compensating spring (14) contained in a spring-holder box (12): such device (1) allows lifting and lowering the roller shutter or gate during the intervention of such device (1). <IMAGE></p>
申请公布号 EP1600599(A1) 申请公布日期 2005.11.30
申请号 EP20040425324 申请日期 2004.05.07
申请人 GNACCARINI, MARIO 发明人 GNACCARINI, MARIO;GILLI, LUIGI
分类号 E05D13/00;E06B9/84;(IPC1-7):E06B9/84 主分类号 E05D13/00
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