| 摘要 |
<p>An extension device for wrenches includes an extension member (10) with a wedge brace comprised of two counterpoised wedge couplers. The wedge couplers comprise wedge fingers (22, 30) defining offset opposed wedge slots (44, 46) such that the wedge couplers engage opposite sides of a tool handle (48) in a counterpoised manner to wedge-lock the tool handle (48) into place.</p> |
