发明名称 Compact duct corner installation tool
摘要 A compact handheld tool for installing corner pieces in ductwork is disclosed. The tool has V-shaped jaws that surround a duct corner. A corner piece to be installed on a flange of the duct is placed against a first of the jaws, and a second jaw closes against the a first jaw, pressing the corner piece against the flange. A third jaw engages with an edge of the flange and presses the edge over the corner piece. The tool can install a corner piece in a single operation independent of the orientation of the duct or tool.
申请公布号 US7013545(B1) 申请公布日期 2006.03.21
申请号 US20030418369 申请日期 2003.04.18
申请人 RITCHIE ROBERT J 发明人 RITCHIE ROBERT J.
分类号 B23P11/00 主分类号 B23P11/00
代理机构 代理人
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