| 摘要 |
A snap ring consists of four plane rings with a gap for the possibility of radially deforming said rings within the limits of flexibility of the material. Two rings are set as inner rings and two outer rings are set as outer rings axially of the inner rings whereby the rings are axially behind each other fastened relatively to each other around a common axis. However the gaps of the inner rings are showing in another direction than the gaps of the outer rings whereby the outer rings are radially closing the gaps of the inner rings and vice versa. One of the snaprings can be utilized as an outer snapring to hold a cylindrical part therein and another of the snaprings can be an inner snapring for holding itself or a part in a cylinder or bore.
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