Patent US3158930A successfully refreshed from Google Patents.
US3158930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing assembly fluid pressure motors
Assignee: Bendix Corp
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Filing: 1961-05-01
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Granted: 1964-12-01
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Wesstrom Alfred
- 👤 Jr Wilbur E Sanders
- 👤 Russell C Mollis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:49
CPC Classifications
F; F16; F16J; F16J13/00; F16J13/02; F16J13/12; B; B21; B21D; B21D39/00; B21D39/03; B23; B23P; B23P11/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49718; Y10T29/49721; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49925; Y10T29/49927; Y10T29/49929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
A METHOD OF MANUFACTURE OF FLUID PRESSURE MOTORS COMPRISING: PROVIDING A STAMPED GENERALLY CUP-SHAPED SHELL WITH AN INTERNAL GENERALLY OUTWARDLY FACING ABUTMENT SURFACE POSITIONED ADJACENT THE OPEN END OF SAID SHELL, PROVIDING A COVER MEMBER WITH A RADIALLY OUTWARDLY EXTENDING FLANGE PORTION WITH SPACED CUTOUT PORTIONS, SAID FLANGE PORTION BEING SIZED TO HAVE A SLIDING FIT WITH THE PORTION OF SAID SHELL OUTWARDLY OF SAID ABUTMENT SURFACE, INSERTING A FLEXIBLE DIAPHRAGM AND SAID COVER PLATE INTO SAID SHELL WITH THE PERIPHERY OF SAID DIAPHRAGM POSITIONED BETWEEN SAID ABUTMENT SURFACE AND SAID COVER PLATE, FORCING SAID COVER PLATE INTO SAID SHELL TO COMPRESS AND PERIPHERY OF SAID DIAPHRAGM BETWEEN SAID COVER AND ABUTMENT SURFACE BY A DESIRED AMOUNT, AND LIMITATIVELY DEFORMING SAID SHELL INWARDLY EQUAL TO A DEPTH OF SAID CUTOUT PORTIONS OF SAID FLANGE PORTION AGAINST THE OUTSIDE SURFACE OF SAID COVER PLATE AT POINTS SPACED BETWEEN SAID CUTOUT PORTIONS ABOUT THE PERIPHERY OF SAID SHELL TO HOLD SAID SHELL AND COVER PLATE IN CONTROLLED ASSEMBLED RELATIONSHIP WHEREBY THE SPACED DEFORMED PORTIONS OF THE SHELL ARE ALIGNABLE WITH SAID CUTOUT PORTIONS ON THE COVER TO PERMIT DISASSEMBLY OF SAID SHELL AND COVER MEMBER.
Claim 2
Independent Claim
193 words
A METHOD OF MANUFACTURE OF FLUID PRESSURE MOTORS COMPRISING: PROVIDING A STAMPED GENERALLY CUP-SHAPED SHELL WITH AN INTERNAL GENERALLY OUTWARDLY FACING ABUTMENT SURFACE POSITIONED ADJACENT THE OPEN END OF SAID SHELL, PROVIDING A COVER MEMBER WITH A RADIALLY OUTWARDLY EXTENDING FLANGE PORTION WITH SPACED CUTOUT PORTIONS, SAID FLANGE PORTION BEING SIZED TO HAVE A SLIDING FIT WITH THE PORTION OF SAID SHELL OUTWARDLY OF SAID ABUTMENT SURFACE, INSERTING A FLEXIBLE DIAPHRAGM AND SAID COVER PLATE INTO SAID SHELL WITH THE PERIPHERY OF SAID DIAPHRAGM POSITIONED BETWEEN SAID ABUTMENT SURFACE AND SAID COVER PLATE, FORCING SAID COVER PLATE INTO SAID SHELL TO COMPRESS AND PERIPHERY OF SAID DIAPHRAGM BETWEEN SAID COVER AND ABUTMENT SURFACE BY A DESIRED AMOUNT, AND LIMITATIVELY DEFORMING SAID SHELL INWARDLY EQUAL TO A DEPTH OF SAID CUTOUT PORTIONS OF SAID FLANGE PORTION AGAINST THE OUTSIDE SURFACE OF SAID COVER PLATE AT POINTS SPACED BETWEEN SAID CUTOUT PORTIONS ABOUT THE PERIPHERY OF SAID SHELL TO HOLD SAID SHELL AND COVER PLATE IN CONTROLLED ASSEMBLED RELATIONSHIP WHEREBY THE SPACED DEFORMED PORTIONS OF THE SHELL ARE ALIGNABLE WITH SAID CUTOUT PORTIONS ON THE COVER TO PERMIT DISASSEMBLY OF SAID SHELL AND COVER MEMBER.
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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |