| 摘要 |
<p>The assembly has a support rod (33) whose distal end is provided with an enlarged limitation part (34) supported against a counting button (21) of a counter (20) to turn the button by rotation of a pivoting head (30). The limitation part is limited in a receiving cavity (111). An end face of the limitation part comprises a limitation cavity (35) supported against the button. An end of the head comprises rope passages (31) and a connecting hole formed between the passages. An end part of a mass element (40) comprises an external threaded part (41) screwed in an internal threaded part (131).</p> |
