A gripping device

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

Patent

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Details

F16B 2/14 (2006.01) F16B 7/14 (2006.01)

Patent

CA 2197339

A gripping device is described which has an inner member and an outer member. The inner member has a split which define a first end and a second end. A selectively operable device is also included to keep the first and second ends apart to permit the device to be placed around an object and to permit the first and second ends to move toward each other so that the inner member grips the object. At least part of an outer face of the inner member interfits with at least a part of an inner face of the outer member in a manner such that when a load is applied to the outer member, the inner face of the outer member acts upon the inner member to cause compression of the inner member thereby increasing the grip of the inner member on the object. The device is then locked in position on the object and when the load is removed the action of the outer member on the inner member is reduced thereby decreasing the grip of the inner member on the object and unlocking the device from the object.

Ce dispositif à pince (10) comprend un élément interne (14) et un élément externe (12). L'élément interne présente un sectionnement (20) qui forme une première extrémité (6) et une seconde extrémité (8). Un dispositif actionnable sélectivement (18) est également inclus, afin de maintenir les première et seconde extrémité (6, 8) espacées l'une de l'autre, pour que le dispositif (10) puisse être placé autour d'un objet (30) et pour que les première et seconde extrémités (6, 8) puissent se déplacer en direction l'une de l'autre, afin que l'élément interne (14) vienne pincer l'objet (30). Au moins une partie d'une face externe (26) de l'élément interne (14) s'adapte par interaction avec au moins une partie d'une face interne (22) de l'élément externe (12), de sorte que, lors de l'application d'une charge sur l'élément externe (12), la face interne (22) de l'élément externe (12) agisse sur l'élément interne (14), entraînant ainsi une compression de l'élément interne (14) qui accroît l'action de pince de l'élément interne (14) sur l'objet (30). Le dispositif (10) est ensuite bloqué en position fixe sur l'objet (30) et, lors du retrait de la charge, l'action de l'élément externe (12) sur l'élément interne (14) est réduite, ce qui diminue la force de pinçage de l'élément interne (14) sur l'objet (30) et débloque le dispositif (10) de l'objet (30).

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