US3136178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crankshaft damper
Assignee: LIONEL PACIFIC Inc
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Filing: 1962-03-09
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Granted: 1964-06-09
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Expires: 1982-03-09
Abstract
No abstract record available.
Inventors
- 👤 Bernard E O'connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:24
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/12; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2121; Y10T74/2128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A TORSIONAL VIBRATION DAMPER FOR A ROTARY ELEMENT, COMPRISING: A CENTRAL HUB MEMBER FOR COAXIAL SECUREMENT TO SUCH ROTARY ELEMENT; A GENERALLY ANNULAR COUPLING MEMBER COAXIALLY ROTATABLY MOUNTED ON SAID HUB MEMBER; MEANS PROVIDING A SLIPPABLE, FRICTIONAL DRIVING CONNECTION BETWEEN SAID HUB MEMBER AND SAID COUPLING MEMBER; AN OUTER, GENERALLY ANNULAR, RADIALLY RESILIENT INERTIA MEMBER SUPPORTED UPON AND COAXIALLY ROTATABLE WITH SAID COUPLING MEMBER; AND SUPPORT MEANS SUPPORTING SAID ANNULAR INERTIA MEMBER UPON SAID COUPLING MEMBER AS AFORESAID, INCLUDING A PAIR OF INWARDLY EXTENDING, RIGID SPOKE MEMBERS RIGIDLY ATTACHED TO SPACED APART PORTIONS OF SAID ANNULAR INERTIA MEMBER AND EACH NONRIGIDLY CONNECTED AT A POINT ADJACENT ITS INNER END TO SPACED APART PORTIONS OF SAID COUPLING MEMBER, WHEREBY TORSIONAL VIBRATIONS TRANSMITTED FROM SAID COUPLING MEMBER TO THE INNER ENDS OF EACH SAID SPOKE MEMBERS CAUSES CORRESPONDING VIBRATORY RADIAL FLEXURE OF THE PORTIONS OF SAID RESILIENT ANNULAR INERTIA MEMBER INTERMEDIATE SAID SPOKE MEMBERS.
Claim 2
Dependent Claim
152 words
A TORSIONAL VIBRATION DAMPER FOR A ROTARY ELEMENT, COMPRISING: A CENTRAL HUB MEMBER FOR COAXIAL SECUREMENT TO SUCH ROTARY ELEMENT; A GENERALLY ANNULAR COUPLING MEMBER COAXIALLY ROTATABLY MOUNTED ON SAID HUB MEMBER; MEANS PROVIDING A SLIPPABLE, FRICTIONAL DRIVING CONNECTION BETWEEN SAID HUB MEMBER AND SAID COUPLING MEMBER; AN OUTER, GENERALLY ANNULAR, RADIALLY RESILIENT INERTIA MEMBER SUPPORTED UPON AND COAXIALLY ROTATABLE WITH SAID COUPLING MEMBER; AND SUPPORT MEANS SUPPORTING SAID ANNULAR INERTIA MEMBER UPON SAID COUPLING MEMBER AS AFORESAID, INCLUDING A PAIR OF INWARDLY EXTENDING, RIGID SPOKE MEMBERS RIGIDLY ATTACHED TO SPACED APART PORTIONS OF SAID ANNULAR INERTIA MEMBER AND EACH NONRIGIDLY CONNECTED AT A POINT ADJACENT ITS INNER END TO SPACED APART PORTIONS OF SAID COUPLING MEMBER, WHEREBY TORSIONAL VIBRATIONS TRANSMITTED FROM SAID COUPLING MEMBER TO THE INNER ENDS OF EACH SAID SPOKE MEMBERS CAUSES CORRESPONDING VIBRATORY RADIAL FLEXURE OF THE PORTIONS OF SAID RESILIENT ANNULAR INERTIA MEMBER INTERMEDIATE SAID SPOKE MEMBERS.
References Cited (Backward Citations)
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Cited
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Cited
US2038027A
Cited
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Cited
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Cited
FR1193057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |