Fastener with shaving inhibitor

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

Patent

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Details

F16B 25/02 (2006.01) F16B 25/10 (2006.01)

Patent

CA 2748999

A fastener with shaving inhibitor for fastening a material such as a metal sheeting panel to a substrate such as met-al or wood. The fastener has a notch angled leftwardly with respect to an axis of the fastener, the notch having a first end and a second end, a leading face and a trailing face, each face having outer edges and a common edge at their intersection. At least one of the leading and trailing faces may be substantially planar but may have other shapes, such as concave. Leftwardly angled notch with faces having outer edges may attract and then cut shavings formed from material being installed, thereby reducing the quanti-ty and/or length of shavings, prolonging the life of the material or the structure to which the material is fastened.

L'invention porte sur un élément d'attache avec inhibiteur de raboture destiné à fixer un matériau, tel qu'un panneau de revêtement métallique, sur un substrat tel qu'un métal ou du bois. L'élément d'attache comporte une encoche inclinée vers la gauche par rapport à un axe de l'attache, l'encoche présentant une première extrémité et une seconde extrémité, une face avant et une face arrière, chaque face comportant des bords extérieurs et un bord commun à leur intersection. Au moins l'une parmi les faces avant et arrière peut être sensiblement plane mais peut présenter d'autres formes, telles qu'une forme concave. L'encoche inclinée vers la gauche avec des faces comportant des bords extérieurs peut attirer et ensuite couper les rabotures formées à partir du matériau installé, réduisant ainsi la quantité et/ou la longueur des rabotures, prolongeant la vie du matériau ou de la structure sur laquelle le matériau est fixé.

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