Method and device for connecting a wear part to the support...

Details Method and device for connecting a wear part to the support... Method and device for connecting a wear part to the support...

E - Fixed Constructions

02

F

E02F 9/28 (2006.01)

Patent

CA 2606243

The invention relates to a device for connecting a wear part to the support thereof on material-handling devices for heavy-construction machinery. The invention is characterised in that a key (C) is axially aligned with a sleeve (F) which is disposed in part of an adapter (A). According to the invention, the key is equipped with an end part (C2), known as the key foot, and a key head (C5) which are provided on either side of a body (C1). The key head is arranged with one part (C5) forming an off-centre projection. The key foot comprises anchoring means that can temporarily penetrate the elastically-deformable sleeve. As the key rotates, it becomes misaligned with the initial axis thereof and is clamped tightly either in the sleeve by means of anchoring or against the metal parts of the prong and of the adapter on different support areas.

Le dispositif de liaison entre une pièce d'usure et son support mis en jeu sur les équipements de manutention de matériaux pour les engins de travaux publics, selon l'invention, est remarquable en ce que la clavette (C) est disposée dans un alignement axial par rapport au fourreau (F) disposé dans une partie de l'adapteur (A). Ladite clavette présente une partie d'extrémité (C2) dite pied de clavette et une tête de clavette (C5) de part et d'autre d'un corps (Cl). La tête de clavette est agencée avec une partie (C5) formant portée excentrée. Le pied de clavette comprend des moyens d'ancrage pouvant pénétrer temporairement dans le fourreau élastiquement déformable. La rotation de la clavette provoque son désalignement par rapport à son axe initial et la tenue serrée de ladite clavette, soit dans le fourreau par ancrage, soit contre les parties métalliques de la dent et de l'adapteur sur des zones d'appui différenciés.

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