Patent ID: 9050661
Filing Date: 2015-06-09
Classification: B23B,F16D,Y10T

Abstract:
1. A collet for retention in a high speed rotary drilling or machining apparatus and for holding a machine tool therein comprising: a unitary cylinder, formed from a single piece of material having an outer diameter and a central longitudinal bore, said cylinder made of at least three equally sized, alternating, contiguously connected weights and flexures, said weights equally spaced about an axis of rotation of said collet; wherein said weights deflect when said collet is rotated at a high speed so as to grip an outside surface of a machine tool bit residing within said bore, wherein each of said weights has a smooth outside surface forming an arc between said leading edge and said trailing edge, wherein said arc forms a descending radius with respect to a first center point which is a center point of said axis of rotation of said collet, and wherein said arc has a single length radius.