Device for clutching the automatic drive of the portable axis in machines drilling machines-threading machines. (Machine-translation by Google Translate, not legally binding)

摘要

Device for engaging the automatic drive of the tool shaft in drilling and tapping machines, characterized in that the following elements are arranged on the drive shaft of the tool holder, tangentially mounted thereto: a hub with free rotation on said axis, of which it is integral a crown driven by the power take-off spindle, the outer edge of said hub presenting clutch elements; a disc, provided with clutch elements engageable in those of the hub, said disc being fixed in radial direction to the axis of operation of the tool holder and mounted thereon with axial displacement, elastic means having been provided which tend to keep the clutch elements disengaged of the cube and the disk; a corrode, arranged with free rotation on the driving eye and slidable axially on it, by maneuvering a lever operable from the outside, to press on the clutch disk through a locking piece mounted with free rotation on it, the which piece has projections embedded in recesses arranged in a non-rotating part. (Machine-translation by Google Translate, not legally binding)