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1. 发明授权

US10414419B2 Multiple direction railroad gate release mechanism 有权
公开(公告)号：US10414419B2
公开(公告)日：2019-09-17
申请号：US15499865
申请日：2017-04-27
申请人： MTR Technologies, Inc.
发明人： David Leon Brandt , Arlyn Douglas Wadsworth , Roger Wade Debates
IPC分类号： B61L29/04 , E01F13/06 , E01F13/08
摘要： A multiple direction railroad gate release mechanism which is attached between the mount arms of a railroad gate actuator and a crossing arm to prevent breakage of the crossing arm due to impingement in either a frontal or rearward direction by a vehicle or other outside force. A pivot arm assembly allows a released movement of the crossing arm in reaction to frontal impingement and returns the crossing arm to the original and detent position subsequent to an impingement in order to maintain grade crossing protection. A spring return assembly, a shock absorber, and a detent plunger act to return the pivot arm assembly and attached crossing arm to a neutral detent position. The pivot arm assembly allows for rotation about a single pivot point of at least ±/−90 degrees relative to the longitudinal axis of the attached crossing arm.

2. 发明授权

US08240618B1 Multiple direction railroad gate release mechanism 有权
标题翻译：多方向铁路门释放机构
公开(公告)号：US08240618B1
公开(公告)日：2012-08-14
申请号：US12001104
申请日：2007-12-10
申请人： Edwin J. Luetzow
发明人： Edwin J. Luetzow
IPC分类号： B61L23/00 , E01F13/00
CPC分类号： E05F1/10 , B61L29/04 , B61L29/14 , E01F13/06 , Y10T16/5389 , Y10T16/61
摘要： A multiple direction railroad gate release mechanism which is attached between the mount arms of a railroad gate actuator and a crossing arm to prevent breakage of the crossing arm due to impingement in either a frontal or rearward direction by a vehicle or other outside force. A primary pivot arm assembly allows a released movement of the crossing arm in reaction to frontal impingement and returns the crossing arm to the original and detent position subsequent to an impingement in order to maintain grade crossing protection. Spring assemblies, a shock absorber and a spring centering assembly act to return the primary pivot arm assembly and attached crossing arm to a normal detent position. A secondary pivot arm assembly is secured to the primary pivot arm assembly whereby the secondary pivot arm assembly can act independently of the primary pivot arm assembly to allow released movement and return of the crossing arm in reaction to rear impingement.
摘要翻译：安装在铁路门执行器的安装臂和交叉臂之间的多方向铁路门释放机构，以防止由于车辆或其它外力而在前方或后方的方向上的冲击而使交叉臂断裂。主枢轴臂组件允许交叉臂的释放的运动与正面冲击反应，并且在冲击之后将交叉臂返回到原始和止动位置，以保持坡口交叉保护。弹簧组件，减震器和弹簧对中组件用于将主枢轴臂组件和附接的交叉臂返回到正常的定位位置。辅助枢转臂组件固定到主枢转臂组件，由此副枢转臂组件可以独立于主枢转臂组件起作用，以允许交叉臂的释放运动和返回以反应于后部冲击。

3. 发明授权

US09689187B2 Multiple direction railroad gate release mechanism 有权
公开(公告)号：US09689187B2
公开(公告)日：2017-06-27
申请号：US14171245
申请日：2014-02-03
申请人： MTR Technologies, Inc.
发明人： Edwin J. Luetzow
IPC分类号： B61L23/00 , E01F13/00 , E05F1/10 , B61L29/04 , B61L29/14 , E01F13/06
CPC分类号： E05F1/10 , B61L29/04 , B61L29/14 , E01F13/06 , Y10T16/5389 , Y10T16/61
摘要： A multiple direction railroad gate release mechanism which is attached between the mount arms of a railroad gate actuator and a crossing arm to prevent breakage of the crossing arm due to impingement in either a frontal or rearward direction by a vehicle or other outside force. A primary pivot arm assembly allows a released movement of the crossing arm in reaction to frontal impingement and returns the crossing arm to the original and detent position subsequent to an impingement in order to maintain grade crossing protection. Spring assemblies, a shock absorber and a spring centering assembly act to return the primary pivot arm assembly and attached crossing arm to a normal detent position. A secondary pivot arm assembly is secured to the primary pivot arm assembly whereby the secondary pivot arm assembly can act independently of the primary pivot arm assembly to allow released movement and return of the crossing arm in reaction to rear impingement.

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