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1. 发明授权

US06487976B1 Split cam bar for chain-to-chain transfer 失效
标题翻译：分离凸轮杆用于链到链转移
公开(公告)号：US06487976B1
公开(公告)日：2002-12-03
申请号：US09689835
申请日：2000-10-13
申请人： Rodney K. Robison , James P. Fahner , Jeffrey F. Kaufman , Robert J. MacKenzie , Greg A. Whitehead
发明人： Rodney K. Robison , James P. Fahner , Jeffrey F. Kaufman , Robert J. MacKenzie , Greg A. Whitehead
IPC分类号： B61B1000
CPC分类号： B61B10/025
摘要： A cam bar assembly for transferring a trolley from driving engagement with a first chain to driving engagement with a second chain wherein the cam bar assembly includes a cam bar having a first longitudinal axis, a cam surface centered about the first longitudinal axis, a second longitudinal axis, and a cam face centered about the second longitudinal axis. The second longitudinal axis is offset from the first longitudinal axis. The present invention is also directed to a power and free conveyor having the cam bar assembly as well as a drive trolley disposed within a free track for movement in a driven direction and having a retractable surface movable between an engaging position and a retracted position. The power and free conveyor also includes a first drive chain, a second drive chain, and a transfer zone having an entrance and an exit. The first drive chain is positioned to drivably engage the drive trolley at the entrance and the second drive chain is positioned to drivably engage the drive trolley at the exit. The cam bar is positioned in the transfer zone to engage the drive trolley and move the retractable surface from its engaging position to its retracted position.
摘要翻译：一种凸轮杆组件，用于将小车从第一链的驱动接合传递到与第二链的驱动接合，其中凸轮杆组件包括具有第一纵向轴线的凸轮杆，以第一纵向轴线为中心的凸轮表面，第二纵向以及以第二纵轴为中心的凸轮面。第二纵向轴线与第一纵向轴线偏移。本发明还涉及一种具有凸轮杆组件的动力和自由传送器以及设置在自由轨道内的驱动手推车，用于沿着驱动方向运动，并且具有可在接合位置和缩回位置之间移动的可缩回表面。动力和自由输送机还包括第一驱动链条，第二驱动链条和具有入口和出口的转移区域。第一驱动链被定位成在入口处可驱动地接合驱动手推车，并且第二驱动链被定位成在出口处可驱动地接合驱动手推车。凸轮杆定位在转移区域中以接合驱动台车，并将可伸缩表面从其接合位置移动到其缩回位置。

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