US3178191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing structure
Assignee: Bendix Corp
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Filing: 1964-02-06
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Granted: 1965-04-13
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Expires: 1984-02-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Dodd
- 👤 John J Lakovits
- 👤 Thomas M Julow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:12
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/46; B60T13/52; B60T13/565
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
A STRUCTURE FOR EFFECTING A SLIDING SEAL AND A STATIONARY SEAL FOR AN OPENING IN A HOUSING AND FOR A ROD ADAPTED TO RECIPROCATE WITHIN SAID OPENING, SAID SEAL COMPRISING: (1) A DISC OF RESILIENT SEALING MATERIAL INCLUDING, (A) A DISC OF RESILIENT SEALING MATERIAL INCLUDING, DIMENSION IS EQUAL TO SAID ROD''S OUTER DIMENSION, (B) AN INTERMEDIATE RING PORTION CONCENTRIC WITH SAID INNER RING PORTION, (C) AN OUTER RING PORTION CONCENTRIC WITH SAID INNER AND INTERMEDIATE RINGS, SAID OUTER RING HAVING A PERIPHERAL DIMENSION GREATER THAN SAID OPENING THROUGH SAID HOUSING, SAID OUTER RING PORTION HAVING A RECESS FORMED IN AN INNER SURFACE AND EXTENDING RADIALLY INWARDLY FROM THE RING''S INNER SURFACE, (D) A FLEXIBLE WEB DIAGONALLY CONNECTING SAID OUTER AND INTERMEDIATE RING PORTIONS, (E) A RIGID VERTICAL WEB OF SHORT LENGTH CONNECTING SAID INNER AND INTERMEDIATE RING PORTIONS SUCH THAT SAID INNER AND INTERMEDIATE RING PORTIONS ARE IMMOBILE WITH RESPECT TO EACH OTHER; AND (2) AN ANNULAR RETAINER DISC HAVING A RADIAL OUTER PORTION OF SUBSTANTIALLY EQUAL CROSS SECTIONAL DIMENSION AS SAID RECESS, WHICH RADIAL OUTER PORTION PROJECTS INTO SAID RECESS OF SAID OUTER RING TO RADIALLY LOCATE SAID OUTER RING PORTION FOR A PRESS FIT IN SAID OPENING.
Claim 2
Dependent Claim
200 words
A STRUCTURE FOR EFFECTING A SLIDING SEAL AND A STATIONARY SEAL FOR AN OPENING IN A HOUSING AND FOR A ROD ADAPTED TO RECIPROCATE WITHIN SAID OPENING, SAID SEAL COMPRISING: (1) A DISC OF RESILIENT SEALING MATERIAL INCLUDING, (A) A DISC OF RESILIENT SEALING MATERIAL INCLUDING, DIMENSION IS EQUAL TO SAID ROD''S OUTER DIMENSION, (B) AN INTERMEDIATE RING PORTION CONCENTRIC WITH SAID INNER RING PORTION, (C) AN OUTER RING PORTION CONCENTRIC WITH SAID INNER AND INTERMEDIATE RINGS, SAID OUTER RING HAVING A PERIPHERAL DIMENSION GREATER THAN SAID OPENING THROUGH SAID HOUSING, SAID OUTER RING PORTION HAVING A RECESS FORMED IN AN INNER SURFACE AND EXTENDING RADIALLY INWARDLY FROM THE RING''S INNER SURFACE, (D) A FLEXIBLE WEB DIAGONALLY CONNECTING SAID OUTER AND INTERMEDIATE RING PORTIONS, (E) A RIGID VERTICAL WEB OF SHORT LENGTH CONNECTING SAID INNER AND INTERMEDIATE RING PORTIONS SUCH THAT SAID INNER AND INTERMEDIATE RING PORTIONS ARE IMMOBILE WITH RESPECT TO EACH OTHER; AND (2) AN ANNULAR RETAINER DISC HAVING A RADIAL OUTER PORTION OF SUBSTANTIALLY EQUAL CROSS SECTIONAL DIMENSION AS SAID RECESS, WHICH RADIAL OUTER PORTION PROJECTS INTO SAID RECESS OF SAID OUTER RING TO RADIALLY LOCATE SAID OUTER RING PORTION FOR A PRESS FIT IN SAID OPENING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |