| 摘要 |
Tamper indicator. The locking system comprises: - a fixed wall element 21 rising up over a part of the axial length of the extension of the handle and having, on its transverse face, at least one recess facing at least one of the reference positions, - and a pin 22 sliding in the extension 11 in a radial direction and including a head 28 having, at least locally, a shape which is complementary to the recess in order to engage in the latter and angularly immobilise the handle with respect to the fixed wall element. Application to cocks with a spherical stopper. <IMAGE>
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