B - Operations – Transporting – 43 – L
Patent
B - Operations, Transporting
43
L
B43L 1/04 (2006.01) B43L 19/00 (2006.01)
Patent
CA 2121663
A blackboard includes a rectangular board member, a protective frame member provided on each side of the board member, and a tray connected to a lowermost one of the frame members and movable between an unfolded position for receiving erasers and writing implements and a folded position. The lowermost one of the frame members has a front side which is formed with a longitudinally extending retaining portion that confines a longitudinally extending space which is substantially L-shaped in cross-section. The tray has a rear side wall which is formed with a transversely and longitudinally extending rearward anchor projection that is substantially T-shaped in cross-section and that has a head portion which extends into the space.
L'invention est un tableau comportant un élément rectangulaire, un élément de cadrage protecteur pour chaque côté de cet élément rectangulaire et un rebord escamotable fixé à l'élément de cadrage inférieur et pouvant recevoir, en position déployée, des instruments d'effacement et d'écriture. La face avant de l'élément de cadrage le plus bas a un support longitudinal de profil approximativement en forme de L. Le rebord a une paroi arrière comportant un dispositif de fixation à profil en forme de T et une partie avant en saillie.
Gowling Lafleur Henderson Llp
Tsuar Gwo-Nan
LandOfFree
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