US3149499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pinion mount
Assignee: Rexnord Industries LLC
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Filing: 1961-05-16
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Granted: 1964-09-22
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Expires: 1981-05-16
Abstract
No abstract record available.
Inventors
- 👤 Schmitter A Louise
- 👤 Robert V Abendroth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:29
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/02; F16H1/20; F16H1/22; F16H57/00; F16H57/02; F16H57/02004; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49696; Y10T74/00; Y10T74/19; Y10T74/19623; Y10T74/19628
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
IN A GEAR DRIVE COMPRISING A SINGLE HELICAL PINION INTERMESHED WITH A SINGLE HELICAL CONTINUALLY ROTATABLE CIRCULAR GEAR OF THE TYPE WHICH HAS A CIRCUMFERENTIAL RIM PORTION THAT CARRIES THE GEAR TEETH, THE IMPROVEMENT COMPRISING A GENERALLY U-SHAPED PINION MOUNT IN WHICH SAID PINION IS JOURNALED, SAID PINION MOUNT INCLUDING AN AXIAL PORTIONS WHICH EXTENDS ACROSS THE WIDTH OF THE RIM OF THE GEAR AND AN END PORTION AT EACH END OF THE AXIAL PORTION ARRANGED TO EXTEND INWARDLY OF THE RIM OF THE GEAR, WITH ONE END PORTION ON EACH SIDE OF THE GEAR; ROLLERS JOURNALED IN EACH END PORTION THAT ENGAGE THE INNER SURFACE OF THE RIM OF THE GEAR; A PAIR OF EXTERNAL RACEWAYS FORMED ON THE EXTERIOR SURFACE OF THE RIM OF THE GEAR, WITH ONE EXTERNAL RACEWAY ALONG EACH END OF THE GEAR TEETH; AND A PAIR OF RIDER RINGS MOUNTED ON THE PINION TO ENGAGE THE EXTERNAL RACEWAYS, ONE SUCH RIDER RING ENGAGING ONE OF THE EXTERNAL RACEWAYS AND THE OTHER RIDER RING ENGAGING THE OTHER EXTERNAL RACEWAY.
Claim 2
Dependent Claim
174 words
IN A GEAR DRIVE COMPRISING A SINGLE HELICAL PINION INTERMESHED WITH A SINGLE HELICAL CONTINUALLY ROTATABLE CIRCULAR GEAR OF THE TYPE WHICH HAS A CIRCUMFERENTIAL RIM PORTION THAT CARRIES THE GEAR TEETH, THE IMPROVEMENT COMPRISING A GENERALLY U-SHAPED PINION MOUNT IN WHICH SAID PINION IS JOURNALED, SAID PINION MOUNT INCLUDING AN AXIAL PORTIONS WHICH EXTENDS ACROSS THE WIDTH OF THE RIM OF THE GEAR AND AN END PORTION AT EACH END OF THE AXIAL PORTION ARRANGED TO EXTEND INWARDLY OF THE RIM OF THE GEAR, WITH ONE END PORTION ON EACH SIDE OF THE GEAR; ROLLERS JOURNALED IN EACH END PORTION THAT ENGAGE THE INNER SURFACE OF THE RIM OF THE GEAR; A PAIR OF EXTERNAL RACEWAYS FORMED ON THE EXTERIOR SURFACE OF THE RIM OF THE GEAR, WITH ONE EXTERNAL RACEWAY ALONG EACH END OF THE GEAR TEETH; AND A PAIR OF RIDER RINGS MOUNTED ON THE PINION TO ENGAGE THE EXTERNAL RACEWAYS, ONE SUCH RIDER RING ENGAGING ONE OF THE EXTERNAL RACEWAYS AND THE OTHER RIDER RING ENGAGING THE OTHER EXTERNAL RACEWAY.
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |