Patent US3104459A successfully refreshed from Google Patents.
US3104459A
Expired / Lapsed
US
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Device for detachably engaging an impeller to a shaft
Assignee: Worthington Corp
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Filing: 1961-10-12
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Granted: 1963-09-24
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Expires: 1981-10-12
Abstract
No abstract record available.
Inventors
- 👤 Peter G Wendt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:27
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/09; F16D1/092; F01; F01D; F01D5/00; F01D5/02; F01D5/025; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49815; Y10T29/49822; Y10T29/53; Y10T29/53796; Y10T29/5383; Y10T29/53848; Y10T29/53857; Y10T29/53878; Y10T29/53883
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A DEVICE FOR MOUNTING AND REMOVING AN IMPELLER ON AND OFF A HOLLOW ENDED SHAFT COMPRISING: (A) JACK MEANS ADAPTED TO BE DISPOSED ON SAID SHAFT ADJACENT THE OUTBOARD END OF SAID IMPELLER IN OPERATIVE ENGAGEMENT THEREWITH, (B) SAID JACK MEANS AND SAID IMPELLER TO FORM CHAMBER MEANS ABOUT SAID SHAFT, (C) CONDUIT MEANS TO CONNECT SAID CHAMBER MEANS TO A SOURCE OF HIGH PRESSURE FLUID AND TO INTRODUCE SAID FLUID INTO SAID CHAMBER MEANS TO COMPRESS SAID SHAFT AND TO EXPAND SAID IMPELLER, (D) SUPPORT MEANS ADAPTED TO BE DISPOSED IN THE OUTBOARD END OF THE HOLLOW OF SAID SHAFT TO PREVENT OVERSTRESSING OF SAID SHAFT ON SAID SHAFT BEING COMPRESSED, (E) SAID JACK MEANS AND SAID FLUID TO COACT TO FORCE SAID IMPELLER INTO DETACHABLE ENGAGEMENT WITH SAID SHAFT.
Claim 2
Independent Claim
131 words
A DEVICE FOR MOUNTING AND REMOVING AN IMPELLER ON AND OFF A HOLLOW ENDED SHAFT COMPRISING: (A) JACK MEANS ADAPTED TO BE DISPOSED ON SAID SHAFT ADJACENT THE OUTBOARD END OF SAID IMPELLER IN OPERATIVE ENGAGEMENT THEREWITH, (B) SAID JACK MEANS AND SAID IMPELLER TO FORM CHAMBER MEANS ABOUT SAID SHAFT, (C) CONDUIT MEANS TO CONNECT SAID CHAMBER MEANS TO A SOURCE OF HIGH PRESSURE FLUID AND TO INTRODUCE SAID FLUID INTO SAID CHAMBER MEANS TO COMPRESS SAID SHAFT AND TO EXPAND SAID IMPELLER, (D) SUPPORT MEANS ADAPTED TO BE DISPOSED IN THE OUTBOARD END OF THE HOLLOW OF SAID SHAFT TO PREVENT OVERSTRESSING OF SAID SHAFT ON SAID SHAFT BEING COMPRESSED, (E) SAID JACK MEANS AND SAID FLUID TO COACT TO FORCE SAID IMPELLER INTO DETACHABLE ENGAGEMENT WITH SAID SHAFT.
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |