Chuck for machine tool and sealing system
AssigneePratt & Whitney Canada Corp.
InventorsGuy Lanoue, Philippe Raymond
Life of this patent
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Abstract
A chuck for a machine tool includes a body rotatable about a rotation axis and defining a plurality of slots extending radially in the body, a plurality of jaws received in corresponding ones of the plurality of slots, the jaws being radially movable relative to the body between an inward position and an outward position, and for at least one of the plurality of jaws, a sealing layer disposed in the slot receiving the at least one of the plurality of jaws and sealing an interface between opposed lateral sides of the at least one jaw and a surface of the body defining the slot receiving the at least one of the plurality of jaws. A method of sealing an interface between a surface defining a slot of a chuck is also described.
Claims14
A chuck for a machine tool, comprising:
- a body rotatable about a rotation axis and defining a plurality of slots extending radially in the body;
- a plurality of jaws received in corresponding ones of the plurality of slots, the jaws being radially movable relative to the body between an inward position and an outward position;
- and
- for at least one of the plurality of jaws, a sealing layer disposed in the slot receiving the at least one of the plurality of jaws and sealing an interface between opposed lateral sides of the at lea one jaw and a surface of the body defining the slot receiving the at one of the plurality of jaws, wherein the surface of the body defines a bottom of that slot, and wherein a first part of the sealing layer is attached to a corresponding one of the opposed lateral sides of the at least one of the plurality of jaws, and a second part of the sealing layer is attached to the surface of the body and slidingly and sealingly engages the first part of the sealing layer.
Dependencies are inferred from the claim text.