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US 2009/0212245 A1Published application
Conical spring bushing
AssigneeEaton Corporation
InventorWilliam J. Hirt
Life of this patent
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Abstract
A bushing for positioning between a first component and a second component is disclosed. The bushing comprises a conical body that includes a first edge, a second edge, and at least one slot extending from the first edge toward the second edge. The slot or slots facilitate the flexing of the conical body. Methods for making a conical bushing are also disclosed.
Claims20
A bushing for positioning between a first component and a second component, the bushing comprising:
- a conical body including a first edge, a second edge, and at least one slot extending from the first edge toward the second edge,
- wherein the slot facilitates the flexing of the conical body.
A valve assembly comprising:
- an armature;
- a member opposing the armature;
- and
- a bushing disposed between the armature and the member opposing the armature, the bushing comprising a conical body and including a first edge, a second edge, and at least one slot extending from the first edge,
- wherein the slot is configured to facilitate flexing or compression of the body in response to a force exerted on the bushing when the armature contacts the bushing and moves toward the member opposing the armature.
2 more elements
A method of forming a conical bushing for a valve, comprising:
- forming a substantially circular work piece;
- forming at least one slot in the work piece, the slot extending inwardly from the outer edge of the work piece;
- and
- forming the work piece into a conical body.
1 more element
Dependencies are inferred from the claim text.