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US 4,285,528 AGranted
Chuck assembly
AssigneeThe Gillette Company
InventorNicolae Neamtu
Life of this patent
Estimating the term…
Abstract
A chuck assembly includes a plurality of locking keys disposed within longitudinally extending grooves in an outside surface of an arbor and arranged to centrally locate and clamp a hollow work piece to a spindle.
Claims11
A chuck assembly for clampimng a hollow work piece to a spindle comprising:
- a hollow arbor adapted to slide over said spindle with grooves longitudinally extending along an outside arbor surface, said grooves having an inclined bottom surface;
- means for securing said arbor to said spindle;
- locking keys being slidingly disposed within said arbor grooves with an inclined surface in friction contact with said inclined surface of said grooves;
- and
- means dipsosed within said arbor for simultaneously moving said locking keys in a forward direction and a predetermined distance outside of said grooves against an internal wall of said work piece to centrally locate and clamp said workpiece to said arbor and for moving selected locking keys in a reverse direction back into said grooves to ease removal of said work piece from said arbor.
2 more elements
Dependencies are inferred from the claim text.