Patent ID: 6773382
Filing Date: 2004-08-10
Classification: B23Q,Y10S,Y10T

Abstract:
An automatic tool-exchanging apparatus comprising:an arm-driving shaft capable of being driven to rotate; an arm provided on said arm-driving shaft and capable of being rotated, said arm having at least one grip arm capable of being moved to linearly extend and contract relative to the shaft axis, and comprising said at least one grip arm being for attachably or detachably holding a tool, and an arm support movably supporting said at least one grip arm; a clutch provided between said arm support and said arm-driving shaft, said clutch capable of connecting said arm support and said arm-driving shaft to make them rotate integrally, and disconnecting said arm support and said arm-driving shaft to generate a relative rotation therebetween; and a link provided between said grip arm and said arm-driving shaft, said link capable of transmitting said relative rotation of said arm-driving shaft in respect to said arm support to make said grip arm perform said extension and contraction.