Chain

F - Mech Eng,Light,Heat,Weapons – 16 – G

Patent

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Details

F16G 13/06 (2006.01) F16C 33/10 (2006.01)

Patent

CA 2371162

The invention relates to a chain that consists of chain members with respective two inner flat links (1) that are parallel with respect to each other and two bushes (2) that are rigidly located between the inner flat links and that link two ends of said links each. The chain further comprises outer flat links (5) that interlink the chain members, Said outer flat links are parallel with respect to each other and hinge the ends of two adjacent chain members that face each other by rigidly linking each of the opposing ends with one respective end of the pin. Said opposing ends link two ends of two outer flat links which in turn link two chain members. Said pin is guided through a bush and is rotatably received therein. The bushes protrude at their two ends from the outer faces of the inner flat links that face the respective outer flat links and said protrusion is provided with at least one lubricant passage (6) that extends from the outer diameter to the inner diameter of the bush.

L'invention concerne une chaîne comprenant des chaînons présentant chacun deux maillons intérieurs parallèles entre eux (1) et deux douilles (2) montées fixes entre les maillons intérieurs, reliant chacune deux extrémités de ceux-ci, et des maillons extérieurs (5) reliant des chaînons, les maillons extérieurs parallèles entre eux (5) connectant, articulés, les extrémités tournées l'une vers l'autre, de deux chaînons adjacents; à chacune de ces extrémités, deux extrémités de deux maillons extérieurs reliant deux chaînons sont connectées fixes avec une extrémité d'un boulon guidé à travers une douille et monté pivotant à l'intérieur de celle-ci. L'invention est caractérisée en ce que les douilles sont en saillie, par leurs deux extrémités, au-dessus des faces externes des maillons intérieurs, tournées vers les maillons extérieurs respectifs, et en ce que la saillie ainsi formée présente au moins un passage de lubrifiant (6) s'étendant du diamètre extérieur vers le diamètre intérieur du manchon.

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