Patent US3343854A successfully refreshed from Google Patents.
US3343854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft lock for compressor or turbine lock
Assignee: RTX Corp
•
Filing: 1965-04-07
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Granted: 1967-09-26
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Expires: 1985-04-07
Abstract
No abstract record available.
Inventors
- 👤 William T Dennison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:12
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/06; F16; F16B; F16B2200/00; F16B2200/69; F16B2200/73; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/948
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
THE COMBINATION, WITH A SHAFT HAVING A SHOULDER, A HUB SPLINED TO THE SHAFT AND ENGAGING SAID SHOULDER AND A CLAMPING RING THREADED ON SAID SHAFT AND CLAMPING THE HUB AGAINST THE SHOULDER, OF LOCKING MEANS TO HOLD THE RING AGAINST TURNING ON THE SHAFT INCLUDING A SLEEVE AXIALLY SLIDABLE RELATIVE TO SAID RING AND HAVING SPLINES AT ONE END, SAID RING HAVING COOPERATING SPLINES THEREON FOR ENGAGEMENT BY THE SPLINES ON THE SLEEVE, SAID SLEEVE HAVING RESILIENT PROJECTIONS THEREON AND SAID SHAFT HAVING AXIAL GROOVES TO RECEIVE THE PROJECTIONS TO PREVENT RELATIVE ROTATION, AND DETENTS ON THE ENDS OF THE PROJECTIONS ENGAGING ALTERNATELY IN SPACED NOTCHES IN THE SHAFT THEREBY TO HOLD THE SLEEVE RELEASABLY IN EITHER OF TWO AXIALLY SPACED POSITIONS.
Claim 2
Dependent Claim
123 words
THE COMBINATION, WITH A SHAFT HAVING A SHOULDER, A HUB SPLINED TO THE SHAFT AND ENGAGING SAID SHOULDER AND A CLAMPING RING THREADED ON SAID SHAFT AND CLAMPING THE HUB AGAINST THE SHOULDER, OF LOCKING MEANS TO HOLD THE RING AGAINST TURNING ON THE SHAFT INCLUDING A SLEEVE AXIALLY SLIDABLE RELATIVE TO SAID RING AND HAVING SPLINES AT ONE END, SAID RING HAVING COOPERATING SPLINES THEREON FOR ENGAGEMENT BY THE SPLINES ON THE SLEEVE, SAID SLEEVE HAVING RESILIENT PROJECTIONS THEREON AND SAID SHAFT HAVING AXIAL GROOVES TO RECEIVE THE PROJECTIONS TO PREVENT RELATIVE ROTATION, AND DETENTS ON THE ENDS OF THE PROJECTIONS ENGAGING ALTERNATELY IN SPACED NOTCHES IN THE SHAFT THEREBY TO HOLD THE SLEEVE RELEASABLY IN EITHER OF TWO AXIALLY SPACED POSITIONS.
References Cited (Backward Citations)
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US2041507A
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US2027439A
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US2369297A
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US2747367A
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US2804323A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |