它的专利作品是一个会打摆的铊（swinging weight）来上链，1930年年历表，劳力士引进以摆铊（rotor）为基础的上链系统，借以主发条（mainspring）可以以一旋转方向来上紧。
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swinging with balance weight 有平衡重平转
Still keep the weight back as the body continues to turn slightly to the R. ( not more than an eighth of a turn ) and keep a firm hold of the lady to stop her swinging away from you.
在身体继续稍微向右转时（不要超过八分之一圈），重心仍然保持在后面，并保持坚定的握持，使女士停止荡离开你。
Rotating and up-down swinging of the ram for TJ-18 groundcharger are hydraulically driven, which can reduce the weight of equipment, make structure contact and be convenient to operate.
TJ-18型地面加料机其挑杆回转运动与上下摆动运动采用了液压传动，设备重量轻，结构紧凑、动作灵敏、操作方便。
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