| 摘要 |
<p>The proposed adjustable wrench comprises: a wrench grip (12) and head (11) formed in one piece; a movable jaw (2) and a fixed jaw (13); an endless screw (3); a guide screw (4); a longitudinal groove (29) formed in a section of the grip (12) for the slider (7), the groove accommodating the spacing unit which has cylindrical (57) and conical (56) toothed crowns and transmits motion from the guide screw (4) to the endless screw (3). The wrench grip (12) is provided with a support sleeve (36) for one of the mounts of the guide screw (4).</p> |
