B - Operations – Transporting – 66 – D
Patent
B - Operations, Transporting
66
D
B66D 3/12 (2006.01) E04G 21/14 (2006.01)
Patent
CA 2188630
On construction sites, the apparatus provides a mast, and a cable-operated winch, for pivot-lifting horizontally-manufactured wall-frames to the vertical position. Upper and lower section of 2"x 6" lumber form the length of the mast. Top and bottom mast-elements have hollow-box sockets, into which the lengths of lumber are telescoped, and a middle mast-element receives both upper and lower lumber sections. The middle mast-element carries a winch, the cable of which is hooked to the top rail of the wall-frame.
Appareil servant sur les chantiers de construction, constitué d'un mât et d'un treuil à câble qui permet de lever au moyen d'un pivot des charpentes de murs fabriquées horizontalement pour les mettre en position verticale. Les parties supérieure et inférieure de pièces de bois débité de 2Õ x 6Õ forment la longueur du mât. Les éléments supérieur et inférieur du mât comportent des logements creux dans lesquels les pièces de bois sont télescopées. La partie centrale du mât reçoit les parties supérieure et inférieure des pièces de bois et porte le treuil, dont le câble est accroché au rail supérieur de la charpente du mur.
Asquith Anthony
Colbourne Lewellyn Boyce
Reynolds Douglas Bradley
LandOfFree
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