| 摘要 |
<p>In mid of the lure and backward from its nose there is a tube (2). In the tube there is a shuttle (3) and within the shuttle a flange (4). A part of the flange is pressed by spring force from inside the shuttle through a slit in it. In the tube, between the shuttle and the nose of the lure, is an expanding spring (5) and attached to the front of the shuttle. In the open rear of the shuttle two hooks are mounted by their loops surrounding a horizontal spindle (7). A lure where the expanding spring, the shuttle and the tube having been replaced by a safety-pin like spring which is wound around a horizontal spindle in the front of the lure and has its legs pointing backwards.</p> |
