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US 5,286,146 AGranted
Operating head for automatic machine tools with chuck support angular locking devices
AssigneeJOBS S.p.A.
InventorArmando Corsi
Life of this patent
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Abstract
This invention relates to an operating head for automatic machine tools of the type consisting of a fork with several degrees of freedom to which the support of a chuck is hinged, which can rotate arond an axis passing through the arms of the fork. In accordance with the invention clamping devices are provided, designed to lock the support of the chuck in any angular position to the fork, to perform power tasks with high precision.
Claims3
An operating head for automatic machine tools comprising:
- a rotatable fork having a pair of arms;
- a chuck rotatably fitted to the fork, the chuck rotatable about an axis, the axis passing through the arms of the fork;
- a cogwheel built into the chuck;
- and
- locking means built into the fork for locking the chuck into any angular position around the axis, the locking means including a plurality of collets each having a pair of pads for contacting the cogwheel, the pads being made of a high friction material for pressing against the cogwheel, and hydraulic means connected to the collets for pressing the pads against the cogwheel.
2 more elements
Dependencies are inferred from the claim text.