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公开(公告)号：US20050072535A1
公开(公告)日：2005-04-07
申请号：US10947622
申请日：2004-09-23
Applicant: Kenneth David
Inventor： Kenneth David
CPC classification number: E05D13/1261 , E05D13/003 , E05Y2201/242 , E05Y2900/00 , E05Y2900/106 , E06B9/84
Abstract: The present invention is a door drop stop system designed to require a minimal amount of time and modification to install in an existing door system. It is effective with all overhead doors which employ a central axle; such overhead doors are in widespread use in residential, commercial, and vehicular applications. In addition, other configurations of the door drop stop system are effective with slab doors, bifold doors, and rollup doors. The present invention will reduce or eliminate property damage and personal injury resulting from a failure of a component of the door or its counterbalance system.
Abstract translation: 本发明是一种门下落停止系统，其被设计为需要最少的时间和修改以安装在现有的门系统中。 对于采用中心轴的所有高架门都是有效的; 这种架空门在住宅，商业和车辆应用中广泛使用。 此外，门落下停止系统的其他配置对于板门，双门和卷帘门是有效的。 本发明将减少或消除由门或其平衡系统的部件的故障导致的财产损失和人身伤害。
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公开(公告)号：US07114291B2
公开(公告)日：2006-10-03
申请号：US10947622
申请日：2004-09-23
Applicant: Kenneth David
Inventor： Kenneth David
IPC: E05D13/00
CPC classification number: E05D13/1261 , E05D13/003 , E05Y2201/242 , E05Y2900/00 , E05Y2900/106 , E06B9/84
Abstract: A door drop stop safety system which is adapted to be installed on existing building overhead doors which employ a central axle; slab doors, bifold doors, and rollup doors which contains structure for raising and lowering the the door including a rewind box including an inertia reel and a length of strap. The inertia reel allowing normal motion, but is adapted to lock as soon as a predetermined rate of rotation is reached due to the door beginning to free fall. The system includes structure means for mounting the rewind box on an existing door, including slab doors, bifold doors, and rollup doors.
Abstract translation: 门落下安全系统，适用于安装在采用中心轴的现有建筑物顶棚门上; 平板门，双门门和卷起门，其包含用于升高和降低门的结构，包括包括惯性卷轴和一段带子的回卷箱。 惯性卷轴允许正常运动，但是由于门开始自由下落，一旦达到预定的旋转速度，就适于锁定。 该系统包括用于将倒带盒安装在现有门上的结构装置，包括平板门，双门和汇总门。
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公开(公告)号：US06792998B2
公开(公告)日：2004-09-21
申请号：US10102316
申请日：2002-03-21
Applicant: Kenneth David
Inventor： Kenneth David
IPC: E05D1500
CPC classification number: E06B9/581 , E05D15/165 , E05D15/24 , E05Y2600/11 , E05Y2800/407 , E05Y2900/00 , E05Y2900/106 , E06B2009/585 , Y10S16/01
Abstract: The present invention is a device which is designed to allow a door to give way when impacted by an outside force such as a forklift, reducing damage. The present invention requires less force to be activated, which allows its use on wider doors than were previously possible. The present invention is also able to reset itself, depending upon how much distance was traveled during the impact. The present invention requires less maintenance than other devices currently in use.
Abstract translation: 本发明是一种被设计成允许门在被诸如叉车之类的外力撞击时允许门减少损坏的装置。 本发明需要较少的力被激活，这允许其在比先前可能的更宽的门上使用。 本发明还能够根据在冲击期间行进多少距离来自行复位。 本发明比目前使用的其它装置需要的维护少。
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