| 摘要 |
Stabilising device of the type comprising a bearing base plate 13, characterised in that it comprises an arm 10 articulated on a pivoting spindle and forming a sheath 16 in which there slides a hollow beam 17 with the base plate articulated to a free end, with a retracting projection 37 intended to interact with a retracting lug 21 securely fastened to the said sheath so that deployment and refolding of the said base plate takes place automatically during extension or retraction of the arm 10. <IMAGE>
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