| 摘要 |
The invention relates to a transmission joint with bellows-type elastomer dust-guard comprising an inner element rigid with a first shaft and drivingly engaged for rotation with an outer element rigid with a second shaft, the bellows dust-guard comprising end collars adapted to be fastened by clamping the one to the outer element and the other to the first joint shaft. According to the invention, the inner space of the joint and dust-guard assembly is adapted to be connected to the surrounding atmosphere by means of a split resilient ring interposed between the first shaft and the corresponding end collar, and so shaped as to permit the passage of air along this shaft in the clamped collar condition.
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