| 摘要 |
<p>The pipe wrench has two jaws, one adjustable, and a connection for a motor drive. It also has a connection (32,33) for a manual drive (34). The connection is located on one or both wrench jaws (1,2), and the drive is used to open and/or close the wrench. At least one, pref. both, jaws are formed as two-armed levers, with one lever having a holder (5,6) for a pipe etc. The jaws have an articulated connection via straps, which are positioned one on each side of a jaw.</p> |
