Chuck having formed jaws

B - Operations – Transporting – 23 – B

Patent

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Details

B23B 31/12 (2006.01)

Patent

CA 2215760

A chuck for use with a manual or powered driver including a nut (46, 48) rotatably mounted on the chuck body and in engagement with the threads of the chuck jaws (18). Aspects of the chuck jaws, such as the jaw face, are manipulatively formed by selective redistribution of metal. Formation of the chuck jaws in this manner is distinguishable from jaws formed by prior art machining techniques due to the structural orientation of grain in the metal. Forming of the chuck jaws preferably occurs at low applied temperature, i.e., not exceeding 538 degrees Celsius.

Mandrin destiné à être utilisé avec un système d'entraînement manuel ou à moteur, comprenant un écrou (46, 48) monté pivotant sur le corps de mandrin et s'engageant sur les filets des mors (18). Les éléments de configuration des mors de mandrin, tels que les surfaces des mors, sont obtenus par une opération de redistribution sélective du métal. Les mors de mandrin réalisés selon ce procédé se distinguent des mors réalisés selon les techniques d'usinage antérieures du fait de l'orientation structurelle des grains dans le métal. La réalisation des mors de mandrin s'effectue de préférence à une température d'application basse, c'est-à-dire n'excédant pas 538 degrés Celsius.

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