Patent US3273366A successfully refreshed from Google Patents.
US3273366A
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Apparatus for finish-shaping sprockets
Assignee: Midland Ross Corp
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Filing: 1962-07-17
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Granted: 1966-09-20
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Expires: 1982-07-17
Abstract
No abstract record available.
Inventors
- 👤 Leslie N Schuman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:46
CPC Classifications
B; B21; B21H; B21H5/00; B21H5/02; B21H5/022; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49467; Y10T29/49471
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
APPARATUS FOR FINISH-SHAPING A SPROCKET RIM PORTION HAVING INCOMPLETELY SHAPED TEETH AND RECESSED AREAS THEREBETWEEN COMPRISING: (A) A MANDREL FOR SUPPOTING THE SPROCKET WITH ITS AXIS OF ROTATION MERGED WITH THE AXIS OF ROTATION OF THE MANDREL; (B) A PLURALITY OF ROLLERS HAVING CYLINDRICAL SURFACES OF UNIFORM DIAMETER ADAPTED TO BE SEPARATELY RECEIVED BETWEEN PAIRS OF ADJACENT TEETH OF THE SPROCKET; (C) MEANS FOR SUPPORTING SAID ROLLERS WITH THE AXES OF SAID CYLINDRICAL SURFACES IN SERIAL UNIFORMLYSPACED RELATIONSHIP FOR MESHING RELATION OF THE ROLLERS WITH SAID TEETH, SAID MEANS MOVABLY ARRANGED TO SUCCESSIVELY SUPPORT EACH ROLLER IN RADIALLY NONYIELDING RELATION AT THE EXTREMITY OF A FIXED RADIUS OF THE MANDREL AXIS; AND
Claim 2
Dependent Claim
112 words
APPARATUS FOR FINISH-SHAPING A SPROCKET RIM PORTION HAVING INCOMPLETELY SHAPED TEETH AND RECESSED AREAS THEREBETWEEN COMPRISING: (A) A MANDREL FOR SUPPOTING THE SPROCKET WITH ITS AXIS OF ROTATION MERGED WITH THE AXIS OF ROTATION OF THE MANDREL; (B) A PLURALITY OF ROLLERS HAVING CYLINDRICAL SURFACES OF UNIFORM DIAMETER ADAPTED TO BE SEPARATELY RECEIVED BETWEEN PAIRS OF ADJACENT TEETH OF THE SPROCKET; (C) MEANS FOR SUPPORTING SAID ROLLERS WITH THE AXES OF SAID CYLINDRICAL SURFACES IN SERIAL UNIFORMLYSPACED RELATIONSHIP FOR MESHING RELATION OF THE ROLLERS WITH SAID TEETH, SAID MEANS MOVABLY ARRANGED TO SUCCESSIVELY SUPPORT EACH ROLLER IN RADIALLY NONYIELDING RELATION AT THE EXTREMITY OF A FIXED RADIUS OF THE MANDREL AXIS; AND
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |