| 摘要 |
PROBLEM TO BE SOLVED: To provide hand pliers (1) in particular related to crimping pliers.SOLUTION: According to the present invention, hand pliers (1) comprise a counting device (16) which counts the number passed working strokes (17). The counting device (16) is built with a sensor which senses the distance or displacement of two components moved relatively to each other over the working stroke (17), in particular the distance or displacement of hand levers (2, 3). If the count number calculated by the counting device (16) exceeds a threshold value, a displaying device of the hand pliers (1) produce a display which indicates that replacement of drive elements or replacement of dies or a certification of the hand pliers is required.SELECTED DRAWING: Figure 1 |
