JACKING SCREW

专利名称：JACKING SCREW

发明人：CREELY, ALBERT, J., III,DOBSON, MARK申请号：US9921133申请日：19990915公开号：WO0022307A8公开日：20000629

摘要：A jacking screw (10) for attaching a first panel to a second panel which providesan axial force in a first direction to jack the first panel to the second panel when the screwis rotated in a first direction and provides an axial force to pry the panels apart when thescrew is rotated in an opposite direction. The jacking screw includes a screw (20), a ferrule(40) for attachment to a panel and, a knob (30) attached to the screw head has adownwardly extending cylindrical portion (32) which secures the knob to the ferruleallowing for relative rotation while allowing substantially no axial movement.

申请人：SOUTHCO, INC.

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