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1. 发明申请

US20060093431A1 On-grade barrier and method of its use 失效
标题翻译：一级屏障及其使用方法
公开(公告)号：US20060093431A1
公开(公告)日：2006-05-04
申请号：US10979852
申请日：2004-11-03
申请人： Charles Marsh , Julie Webster , Gordon Cohen
发明人： Charles Marsh , Julie Webster , Gordon Cohen
IPC分类号： E01F13/00
CPC分类号： E01F13/126
摘要： An unobtrusive on-grade barrier is provided. One embodiment comprises a concrete-lined trench over which a biased hinged plate is affixed to an end wall of the trench. The biased hinge holds the free end of the plate against a tab affixed to the other end wall, assuring the plate does not rise above grade. The plate is supported for vehicle passage by a sliding mechanism energized by an actuator controlled by a controller that may be automated or operated by security personnel. The barrier may be configured so that vehicles may approach from either end. Upon authorizing access to the driver, the vehicle is permitted to pass over the supported plate. If the driver is not authorized access, the support is slid out of the way and any vehicle attempting to pass slides into the trench. Means for clearing the trench of a trapped vehicle are provided in select embodiments.
摘要翻译：提供一个不引人注目的一级屏障。一个实施例包括混凝土衬里的沟槽，偏置的铰接板固定到沟槽的端壁上。偏置的铰链将板的自由端固定在固定在另一端壁上的突出部上，确保板不会升高到高于等级。通过由可由安全人员自动化或操作的控制器控制的致动器激励的滑动机构支撑车辆通行车辆。障碍物可以被配置成使得车辆可以从任一端接近。授权访问驾驶员后，允许车辆通过支撑的板。如果驾驶员未经授权进入，则支撑被滑出，并且任何车辆试图将滑块通入沟槽。在选择的实施例中提供了用于清除被困车辆的沟槽的装置。

2. 发明申请

US20070177940A1 On-grade barrier and method of its use 审中-公开
标题翻译：一级屏障及其使用方法
公开(公告)号：US20070177940A1
公开(公告)日：2007-08-02
申请号：US11727619
申请日：2007-03-27
申请人： Charles Marsh , Julie Webster , Gordon Cohen
发明人： Charles Marsh , Julie Webster , Gordon Cohen
IPC分类号： E01F13/00
CPC分类号： E01F13/126
摘要： Means and method for implementing an unobtrusive on-grade barrier. One embodiment employs a concrete-lined trench over which a biased hinged plate is affixed to an end wall. The biased hinge holds the free end of the plate against a tab affixed to the other end wall, assuring the plate does not rise above grade. The plate is supported for vehicle passage by a sliding mechanism energized by an actuator controlled by a controller that may be automated or operated by security personnel. The barrier may be configured so that vehicles may approach from either end. Upon authorizing access to the driver, the vehicle is permitted to pass over the supported plate. If the driver is not authorized access, the support is slid out of the way and any vehicle attempting to pass slides into the trench. Embodiments may include means for clearing the trench of a trapped vehicle
摘要翻译：实施不引人注目的一级障碍的手段和方法。一个实施例采用混凝土衬里的沟槽，偏置的铰接板固定在端壁上。偏置的铰链将板的自由端固定在固定在另一端壁上的突出部上，确保板不会升高到高于等级。通过由可由安全人员自动化或操作的控制器控制的致动器激励的滑动机构支撑车辆通行车辆。障碍物可以被配置成使得车辆可以从任一端接近。授权访问驾驶员后，允许车辆通过支撑的板。如果驾驶员未经授权进入，则支撑被滑出，并且任何车辆试图将滑块通入沟槽。实施例可以包括用于清除被困车辆的沟槽的装置

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