Shock absorbing structures

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

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Details

F16F 7/00 (2006.01) A43B 13/18 (2006.01) B60C 17/06 (2006.01) F16F 1/04 (2006.01) F16F 1/06 (2006.01) F16F 1/36 (2006.01) F16F 3/04 (2006.01)

Patent

CA 2432003

A shock absorbing structure includes a body defined by a plurality of adjacent coils. The coils are resilient and flexible when exposed to a load applied substantially off-axis, or perpendicular to the axis of the body. In use, the body is positioned so that the coils deflect in directions substantially normal to the axis of the body. In this way, the body acts like a shock absorber, but unlike a coil spring, the shock is absorbed by the laterally inward or outward flexing of the coils, rather than the extension or compression of the coils themselves along their axis. The body can be formed by coiling a monofilament strand which is made of a polymeric material, such as nylon. Any number and types of articles can be made by incorporating the shock absorbing structures of the present invention, including, for example, articles of footwear, impact resistant bumpers, tires, and vibration dampening pads.

La présente invention concerne une structure à absorption de choc qui comprend un corps défini par une pluralité d'enroulements contigus. Ces enroulements sont élastiques et souples lorsqu'ils sont exposés à une charge appliquée sensiblement en dehors de l'axe ou perpendiculairement à l'axe de ce corps. En utilisation, ce corps est positionné de sorte que les enroulements dévient dans des directions sensiblement perpendiculaires à l'axe du corps. De cette manière, le corps agit comme un absorbeur de choc, mais à la différence d'un ressort enroulé, le choc est absorbé par la flexion latérale intérieure ou extérieure de ces enroulements, plutôt que par l'extension ou la compression des enroulement eux même le long de leur axe. On peut former ce corps en enroulant un brin monofilament constitué d'un matériau polymère, tel que du nylon. On peut faire toutes sortes d'articles en y incorporant les structures à absorption de choc de cette invention, notamment des articles chaussant, des pare-chocs résistant aux impacts, des pneumatiques et des tampons amortisseurs de vibrations.

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