| 摘要 |
A coupler (10) for joining a first duct (50) to a second duct (52) including a first coupler section (12), a second coupler section (14) hingedly connected to the first coupler section, and a lever (32) hingedly connected to an edge of the second coupler section (14) opposite the first coupler section (12). The first coupler section (12) has a receptacle (26) formed along an edge thereof. The receptacle (26) is positioned on a side of the first coupler section (12) opposite the second coupler section (14). The lever (32) is engageable with the receptacle (26) for drawing the first and second coupler sections (12, 14) together over an exterior surface of the first and second ducts (50, 52). The lever (32) includes an extension portion (24) extending outwardly from the opposite side of the second coupler section (14) and an arm member (34) connected to the extension portion (24). The arm member (34) has an end (28) extending outwardly from the extension portion (24) so as to be receivable within the receptacle (26). |
