| 摘要 |
A puller includes a main body, a plurality of hook elements, a plurality of connecting rods, and an operating rod. The main body has a threaded hole and a plurality extending arms, and each extending arm has an abutting trough at an end. Each hook element has at least one claw portion. Two opposite ends of each connecting rod are pivotably connected with one of the hook elements and one of the extending arms. The operating rod has threaded rod screwed with the threaded hole. When the hook element abuts against one of the abutting trough, the extending arm covers at least half the hook element in width to position it. Thereby, durability and stability are improved. |
