Patent US3341264A successfully refreshed from Google Patents.
US3341264A
Expired / Lapsed
US
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Unitized dual lip seal
Assignee: Timken Co
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Filing: 1965-09-03
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Granted: 1967-09-12
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Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 Dennis L Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:24
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7803; F16C33/7813; B; B61; B61F; B61F15/00; B61F15/20; B61F15/22; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3248; F16J15/3252; F16J15/3256; F16C19/00; F16C19/22; F16C19/34; F16C19/38; F16C19/383; F16C19/385; F16C19/386; F16C2326/00; F16C2326/10; F16C33/726
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A UNITIZED DUAL LIP SEAL FOR A ROTARY SHAFT COMPRISING A CYLINDRICAL SEAL CASING HAVING A CENTRAL SHOULDER AND HAVING AN INWARDLY DIRECTED RADIAL FLANGE, SEAL MEMBER BONDED ONTO THE FREE END AND ADJACENT SURFACE OF THE RADIAL FLANGE, SAID SEAL MEMBER HAVING A PAIR OF DIAGONALLY DIVERGING SEALING LIPS PROJECTED ON OPPOSITE SIDES OF SAID RADIAL FLANGE, A WEAR MEMBER HAVING A CYLINDRICAL SEAL SURFACE FOR SAID SEALING LIPS TO SEAT ON AND HAVING AN OUTWARDLY DIRECTED RADIAL PORTION EXTENDING AXIALLY ADJACENT SAID CENTRAL SHOULDER AND SPACED FROM SAID SEAL CASING, AND A THRUST RING MEMBER HAVING A RADIAL RIM AND ABUTTING
Claim 2
Dependent Claim
103 words
A UNITIZED DUAL LIP SEAL FOR A ROTARY SHAFT COMPRISING A CYLINDRICAL SEAL CASING HAVING A CENTRAL SHOULDER AND HAVING AN INWARDLY DIRECTED RADIAL FLANGE, SEAL MEMBER BONDED ONTO THE FREE END AND ADJACENT SURFACE OF THE RADIAL FLANGE, SAID SEAL MEMBER HAVING A PAIR OF DIAGONALLY DIVERGING SEALING LIPS PROJECTED ON OPPOSITE SIDES OF SAID RADIAL FLANGE, A WEAR MEMBER HAVING A CYLINDRICAL SEAL SURFACE FOR SAID SEALING LIPS TO SEAT ON AND HAVING AN OUTWARDLY DIRECTED RADIAL PORTION EXTENDING AXIALLY ADJACENT SAID CENTRAL SHOULDER AND SPACED FROM SAID SEAL CASING, AND A THRUST RING MEMBER HAVING A RADIAL RIM AND ABUTTING
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |