Patent US3189982A successfully refreshed from Google Patents.
US3189982A
Expired / Lapsed
US
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Method of making integral fan and slinger ring
Assignee: Madison Management Group Inc
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Filing: 1961-10-03
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Granted: 1965-06-22
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Expires: 1981-10-03
Abstract
No abstract record available.
Inventors
- 👤 Kenneth A Merz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:03
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/26; F04D29/32; F04D29/325; F04D29/326; B; B21; B21D; B21D53/00; B21D53/26; B21D53/267; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49327
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
A METHOD OF MAKING AN INTEGRAL FAN AND SLINGER RING WHICH INCLUDES A PLURALITY OF SIMILARLY PITCHED CIRCUMAXIALLY SPACED AIR MOVING BLADES, A SLINGER RING DISPOSED ABOUT THE BLADES, A PLURALITY OF CONNECTING TABS EXTENDING RESPECTIVELY BETWEEN OUTER EDGE PORTIONS OF THE BLADES AND THE SLIGNER RING, AND A HUB SECTION SUBSTANTIALLY OFFSET AXIALLY WITH RESPECT TO THE TABS AND CONNECTED WITH INNER EDGE PORTIONS OF THE BLADES; SAID METHOD COMPRISING THE STEPS OF PROVIDING A ONE-PIECE SHEET METAL BLANK WHICH HAS SELECTED PORTIONS SEVERED THEREFROM SO AS TO DEFINE ALL THE AFORESAID ELEMENTS IN CONNECTED RELATIONSHIP BUT IN SUBSTANTIALLY FLAT FORM AND WHICH HAS TABS WITH DIMENSIONS BETWEEN THEIR INNER AND OUTER END PORTIONS WHICH ARE GREATER THAN THE RADIAL DISTANCE BETWEEN SAID END PORTIONS, AND FORMING SAID BLANK TO PITCH THE BLADES AND TO OFFSET THE HUB SECTION THEREOF AXIALLY WITH RESPECT TO THE TABS, SAID LAST MENTIONED STEP INCLUDING THE DISPLACEMENT OF SAID TABS IN SUCH MANNER THAN THE DIFFERENCES BETWEEN THEIR SAID END PORTION-TO-END PORTION DIMENSIONS AND THE SAID RADIAL DISTANCE BETWEEN THEIR END PORTIONS ARE EMPLOYED TO ACCOMMODATE AXIAL MOVEMENT OF THE HUB SECTION WITHOUT EXCESSIVE DEFORMATION AND RUPTURE OF THE AFORESAID ELEMENTS.
Claim 2
Independent Claim
198 words
A METHOD OF MAKING AN INTEGRAL FAN AND SLINGER RING WHICH INCLUDES A PLURALITY OF SIMILARLY PITCHED CIRCUMAXIALLY SPACED AIR MOVING BLADES, A SLINGER RING DISPOSED ABOUT THE BLADES, A PLURALITY OF CONNECTING TABS EXTENDING RESPECTIVELY BETWEEN OUTER EDGE PORTIONS OF THE BLADES AND THE SLIGNER RING, AND A HUB SECTION SUBSTANTIALLY OFFSET AXIALLY WITH RESPECT TO THE TABS AND CONNECTED WITH INNER EDGE PORTIONS OF THE BLADES; SAID METHOD COMPRISING THE STEPS OF PROVIDING A ONE-PIECE SHEET METAL BLANK WHICH HAS SELECTED PORTIONS SEVERED THEREFROM SO AS TO DEFINE ALL THE AFORESAID ELEMENTS IN CONNECTED RELATIONSHIP BUT IN SUBSTANTIALLY FLAT FORM AND WHICH HAS TABS WITH DIMENSIONS BETWEEN THEIR INNER AND OUTER END PORTIONS WHICH ARE GREATER THAN THE RADIAL DISTANCE BETWEEN SAID END PORTIONS, AND FORMING SAID BLANK TO PITCH THE BLADES AND TO OFFSET THE HUB SECTION THEREOF AXIALLY WITH RESPECT TO THE TABS, SAID LAST MENTIONED STEP INCLUDING THE DISPLACEMENT OF SAID TABS IN SUCH MANNER THAN THE DIFFERENCES BETWEEN THEIR SAID END PORTION-TO-END PORTION DIMENSIONS AND THE SAID RADIAL DISTANCE BETWEEN THEIR END PORTIONS ARE EMPLOYED TO ACCOMMODATE AXIAL MOVEMENT OF THE HUB SECTION WITHOUT EXCESSIVE DEFORMATION AND RUPTURE OF THE AFORESAID ELEMENTS.
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |