| 摘要 |
The present invention relates to the new association of a spring with at least one of its plates, characterized by at least one of the spirals 6 of the said spring which is in contact with at least one of the corresponding plates 1 being secant with respect to the surface of the said plate, that is to say that the axis of the wire forming the said spiral at the aforesaid point of contact forms an angle x with the surface of the said plate.
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