专利名称：Vicistube F-96 tube changer 发明人：James E. Carty
申请号：US07/913647
申请日：19920820
公开号：US05321997A
公开日：
19940621
专利内容由知识产权出版社提供
摘要：A fluorescent tube can be installed or removed from a high installation position by a device have four firm, rubber like cups which gently grip the tube; a dual set of horizontal elongated crossbars, which support the cups with the front crossbar being non stationary and the back cross bar being stationary; a pair of alignment spacer bars and a center support assembly which aid in stability and maintain the proximity of the cross bars; a hand operated rope to apply pressure through a combination of two pulleys to initiate spring action for separating the cups allowing them to either grip or release the fluorescent tube.
申请人：CARTY; JAMES E.
pulleys更多信息请下载全文后查看

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