Device for putting ceiling plates into place

E - Fixed Constructions – 04 – F

Patent

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Details

E04F 21/18 (2006.01) B66F 7/22 (2006.01) B66F 17/00 (2006.01) E04G 25/08 (2006.01)

Patent

CA 2259490

L'appareil comprend un pied-support (1), un mat central télescopique (2) en deux ou plusieurs éléments (10, 11, 12), dont l'allongement est obtenu au moyen d'un treuil manuel (13), et un support de plaques (4) inclinable, monté au sommet du mat (2). Entre deux éléments de mat consécutifs (10, 11, et 11, 12) est monté au moins un frein de sécurité (31, 32). Chaque frein (31, 32) comprend une mâchoire montée pivotante autour d'un axe horizontal lié au sommet de l'élément de mat extérieur (10, 11) et situé sur le côté de cet élément. La mâchoire porte un bras de levier (37, 38) servant de manette d'actionnement. Des ressorts (35, 36) rappellent cette mâchoire vers sa position active, en contact de frottement avec l'élément de mat intérieur (11, 12).

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