Blind fastener and nose assembly for installation thereof

Details Blind fastener and nose assembly for installation thereof Blind fastener and nose assembly for installation thereof

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 13/04 (2006.01)

Patent

CA 2682609

A blind fastener for securing a plurality of workpieces is disclosed. The blind fastener comprises several components, a core bolt, a body sleeve member and a buckle sleeve member. The core bolt includes a tool engaging portion to engage the head of a driver on an installation tool. The buckle sleeve member has a buckle portion designed to create a bulb fastening the workpieces together. In some embodiments, a the buckle portion is locally annealed to promote formation of a blind side bulb. A nose assembly with a matching anti-rotation engagement to the head of the body sleeve member is also disclosed.

L'invention concerne une fixation en aveugle servant à immobiliser une pluralité de pièces à travailler. Cette fixation comprend plusieurs composants, un boulon central, un élément manchon corps et un élément manchon à boucle. Le boulon central comprend une partie de contact avec un outil, destinée à venir en contact avec la tête d'un organe d'entraînement sur un outil de montage. L'élément manchon à boucle comprend une partie boucle conçue pour former un bulbe fixant ensemble les pièces à travailler. Dans certains modes de réalisation, la partie boucle est recuite localement pour favoriser la formation d'un bulbe côté aveugle. L'invention concerne également un ensemble nez à contact anti-rotation avec la tête de l'élément manchon corps.

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