| 摘要 |
The saddle consists of a semi rigid half shell (1) and a semi rigid female half shell (2) arrange to cooperate enclosing one within the other. The male half shell carries two exterior ribs (5,7) designed to practically fill, with the exception of a cylindrical hole (3), each of the lateral slots (4,6) of the female half shell. The exterior surfaces (2a,5b) of the female half shell and the ribs of the male half shell are flush with each other in the mounted position.
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