| 摘要 |
The invention relates to a signalling indicator arrow. The problem posed consists in producing such an arrow unambiguously indicating a direction and which is adaptable to support poles of any diameter. According to the invention, this arrow is composed of several removable elements 1, 2, 3 linked together by articulations 8 so as to form a three-dimensional arrow body surrounding the pole 12 and equipped with means 24 for supporting the arrow on the pole, which can be locked on the latter by virtue of removable fixing means 25 which are adaptable to poles of various diameters, the said arrow moreover including means 26 for centring the arrow on the support pole 12. Application especially to signs for underground railway stations. <IMAGE>
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