Fixture for securing a workpiece
AssigneeUnited Technologies Corporation
InventorsRichard W. Varsell, Donald Joseph Voisine
Life of this patent
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Abstract
A fixture for securing a workpiece, comprising: a base; a plurality of locators on the base for accepting the workpiece; a plurality of arms, each secured to the base at a pivot point; and a lever for actuating the arms against the workpiece. The arms positively position the workpiece against the locators. The fixture is part of an electrical discharge machining (EDM) apparatus, which also includes a tank and a holder for supporting an electrode in said tank. The lever actuates towards a front of the tank.
Claims16
A fixture for securing a workpiece, comprising:
- a base;
- a plurality of locators on said base for accepting the workpiece;
- a plurality of arms, each secured to said base at a pivot point;
- and
- a lever for actuating said plurality of arms against the workpiece so that said arms positively position the workpiece against said plurality of locators.
An electrical discharge machining (EDM) apparatus, comprising:
- a tank;
- a holder for supporting an electrode in said tank;
- and
- a fixture for supporting the workpiece in said tank, said fixture having:
- a plurality of locators;
- at least one arm;
- and
- a lever for actuating said at least one arm against the workpiece;
- wherein said lever actuates towards a front of said tank.
A method of securing a workpiece, comprising the steps of:
- providing a fixture with a plurality of locators, a plurality of arms and a lever;
- placing the workpiece on said plurality of locators;
- and
- actuating said lever to drive said plurality of arms against the workpiece.
Dependencies are inferred from the claim text.