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1. 发明申请

US20080110713A1 Gravity biased constant response pantograph 审中-公开
标题翻译：重力偏差恒定响应电弓
公开(公告)号：US20080110713A1
公开(公告)日：2008-05-15
申请号：US11595420
申请日：2006-11-10
申请人： Brian Laird Fisher
发明人： Brian Laird Fisher
IPC分类号： B60L5/12
CPC分类号： B60L5/28 , B60L5/16 , B60L2200/26
摘要： A gravity biased constant response pantograph is disclosed. A counterweight is used to lift a collector towards an overhead conductor. A constraint mechanism constrains movement of the collector to remain substantially vertical thru the entire range of working travel. The counterweight provides a driving force via the force of gravity. A lift mechanism suitable for receiving the driving force drives a travelling assembly upwards towards the overhead conductor. The travelling assembly can be realized combining various types of collectors and masts. The counterweight is provided in two portions to accommodate various combinations of masts and collectors. By further trimming the weight of the counterweight, the amount of constant response force acting on the travelling assembly can be precisely pre-determined to be substantially constant throughout the entire range of travel of the travelling assembly.
摘要翻译：公开了一种重力偏置恒定响应电弓。配重用于将收集器提升到架空导体。约束机制约束收集器的移动，以通过整个工作行程范围保持基本垂直。配重通过重力提供驱动力。适于接收驱动力的升降机构将行进组件向上驱动到架空导体。可以实现组合各种收集器和桅杆的旅行组件。配重分两部分提供，以适应桅杆和收集器的各种组合。通过进一步修整配重的重量，作用在行进组件上的恒定响应力的量可以精确地预先确定为在行进组件的整个行程范围内基本上是恒定的。

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