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US 7,451,989 B1Granted
Seal
AssigneeParker-Hannifin Corporation
InventorsKenneth W. Cornett, D. Gregory More, Stephen S. Stone, Paul A. Dudzinski
Life of this patent
Estimating the term…
Abstract
A seal has first and second spring elements each having first and second surfaces along a bellows cross-section and extending between first and second edges. A spreader is secured to an endplate between the first edges of the first and second elements to capture first edge portions of the first and second elements.
Claims24
A seal comprising:
- a first element having first and second surfaces along a bellows cross-section and extending between a first edge and a second edge;
- a second element having first and second surfaces along a bellows cross-section and extending between a first edge and a second edge;
- an end plate, in cross-section the end plate having first and second end portions each defining a bend, first and second edges with a gap therebetween, and a leg connecting the first and second end portions opposite the gap;
- and
- a member secured to the end plate between the first edges of the first and second elements, in cross-section, the member having first and second ends so that:
- a portion of the first element extending from the first edge of the first element is captured between the first end of the member and the first end portion of the end plate;
- and
- a portion of the second element extending from the first edge of the second element is captured between the second end of the member the second end portion of the end plate.
5 more elements
A seal comprising:
- a first element having first and second surfaces along a bellows cross-section and extending between a first edge and a second edge;
- a second element having first and second surfaces along a bellows cross-section and extending between a first edge and a second edge;
- and
- an end member capturing first portions of the first and second elements but not welded thereto, the end member comprising:
- an end plate, in cross-section the end plate having first and second end portions, first and second edges defining a gap therebetween, and a leg connecting the first and second end portions opposite the gap;
- and
- a member secured to the end plate between the first edges of the first and second elements, in cross-section, the member having first and second ends so that:
- the first portion of the first element extending from the first edge of the first element is captured between the first end of the member and the first end portion of the end plate;
- and
- the first portion of the second element extending from the first edge of the second element is captured between the second end of the member and the second end portion of the end plate.
7 more elements
Dependencies are inferred from the claim text.