发明名称 Portable Lift, support, removal and/or installation system and method
摘要 A method for portable lift, support, and/or installation is disclosed which permits and enables these various functions without the need for external crane/lift machinery. The method includes attaching a removable swingarm assembly around an object extension of a structure, inserting a swingarm into a swingarm sleeve on the removable swingarm assembly, positioning the swingarm wherein an object support assembly on the swingarm is adjacent a removable object, attaching the object support assembly to the removable object, disconnecting the removable object from the structure, and pivoting the swingarm causing the removable object to be moved away from the structure.
申请公布号 US2004062631(A1) 申请公布日期 2004.04.01
申请号 US20030662571 申请日期 2003.09.15
申请人 POREBSKI JAMES J.;DEPIETRO EDWARD A. 发明人 POREBSKI JAMES J.;DEPIETRO EDWARD A.
分类号 B66C23/20;(IPC1-7):B66C23/00 主分类号 B66C23/20
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