Chuck

B - Operations – Transporting – 23 – B

Patent

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Details

B23B 31/12 (2006.01)

Patent

CA 2168362

Chuck for use with manual or powered driver having rotatable shaft, the chuck (10) including a bearing thrust ring fixed on the body (16) and a self-contained anti-friction bearing assembly (42) disposed adjacent the thrust ring (36). The chuck (10) further includes a nut (60) rotatably mounted on the bearing assembly (42) in engagement with the threads (34) on the jaws (18), and a generally cylindrical front sleeve (12) in driving engagement with the nut (60) and overlying the nose section (20) of the body (16) so that when the front sleeve member (12) is rotated with respect to the body (16), the jaws (18) will be moved thereby.

Mandrin de serrage utilisable avec une unité d'entraînement manuelle ou à moteur comportant un arbre rotatif. Le mandrin (10) comprend une bague de poussée de palier fixée sur le corps (16) et un ensemble de palier (42) antifriction autonome adjacent à la bague de poussée (36). Le mandrin (10) comprend en outre un écrou (60) monté avec possibillité de rotation sur l'ensemble de palier (42) et qui se met en prise avec les filets (34) des mâchoires (18), ainsi qu'un manchon antérieur (12) généralement cylindrique qui est en prise avec l'écrou (60) en vue de l'entraînement et recouvre la section du nez (20) du corps (16), de telle sorte que, lorsque le manchon antérieur (12) est tourné par rapport au corps (16), les mâchoires (18) soient déplacées par ce mouvement.

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