Mounting for sheet material

Details Mounting for sheet material Mounting for sheet material

G - Physics

09

F

G09F 15/00 (2006.01) G09F 21/04 (2006.01)

Patent

CA 2414254

A mounting for a sheet (14) that has a bead (20) about its periphery includes frame members (22, 24) forming a rectangle with each frame member (22, 24) including mutually parallel multiple engagement surfaces (30) defined on ribs (28). An elongate retainer (36) includes an elongate flange (40) with an interlocking surface (42) which can selectively interlock with any one of the engagement surfaces (30) on the frame member (22, 24). Each of the frame members (22, 24) also has a frame rail (32) having a rail surface (34) that faces away from a retainer rail surface (46) on a rail (44) of the retainer (36). A tool (50) including pinch rollers (54, 56) squeezes the rail surfaces (34, 46) toward one another to place the sheet (14) held by the retainer (36) in tension while the interlocking surface (42) is engaged with the appropriate engagement surface (30).

L'invention concerne un accessoire de montage pour une feuille (14), cet accessoire présentant, autour de sa périphérie, un crochet (20) avec des éléments supports (22, 24), ce crochet formant un rectangle avec chacun de ces éléments supports (22, 24) et présentant de multiples surfaces de contact parallèles (30) sur des nervures (28). Un dispositif de retenue allongé (36) comporte un rebord allongé (40) avec une surface de blocage (42) apte à entrer en prise sélectivement avec l'une desdites surfaces de contact (30) des éléments supports (22, 24). De plus, chaque élément support (22, 24) présente une glissière support (32) dont la surface (34) est située à l'opposé de la surface (46) d'une glissière (44) formée sur le dispositif de retenue (36). Enfin, un outil (50) muni de galets presseurs (54, 56) est destiné à presser les surfaces (34, 46) de ces glissières l'une contre l'autre afin de tendre la feuille (14) portée par le dispositif de retenue (36), la surface de blocage (42) entrant du même coup en contact avec la surface de contact appropriée (30).

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