Replaceable wear member

Details Replaceable wear member Replaceable wear member

E - Fixed Constructions

02

F

E02F 9/28 (2006.01)

Patent

CA 2318822

A wear protection system (14) is disclosed for protecting a parent member (12) of an earthworking machine, such as a bed of an off-highway truck for instance. The protection system (14) includes a replaceable wear member (10), which is detachably mounted to a mounting base (16) by a retainer (18). The wear member (10) is provided with a skeletal frame (30) with an enlarged window-like opening (32) and outstretched leg portion (44) to reduce the weight of the wear member (10). The pockets (94, 96) formed by the window like opening (32) and in the spaces between adjoining wear members (10) fill with material so as to insulate the parent member (12) of the truck bed from frictional wear due to material sliding over the bed when dumping material therefrom.

L'invention concerne un système de protection anti-usure (14) destiné à protéger la pièce parente (12) d'une machine de terrassement, par exemple la plate-forme d'un camion de chantier. Ce système de protection (14) comprend une pièce d'usure remplaçable (10), montée de manière amovible sur une base support (16) par un dispositif de retenue (18). Cette pièce d'usure (10) présente un corps (30) avec une structure à ouverture élargie du type fenêtre (32) et une partie extension extérieure (44), destinés à réduire le poids de cette pièce d'usure (10). L'ouverture du type fenêtre (32) forme des poches (94, 96), les espaces séparant des pièces d'usure adjacentes (10) étant destinés à être remplis d'une substance permettant à la fois d'isoler ladite pièce parente (12) de la plate-forme du camion et de la protéger de toute usure due au glissement de cette substance sous cette plate-forme, ce qui peut survenir lorsque l'on décharge cette substance du camion.

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