US3298219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for producing active profiles on bevel gears
Assignee: Bayerisches Leichtmetallwerk KG
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Filing: 1964-02-28
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Granted: 1967-01-17
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Expires: 1984-02-28
Abstract
No abstract record available.
Inventors
- 👤 Schober Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:44
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/50; B01L3/508; B01L3/5082; B21; B21K; B21K1/00; B21K1/28; B21K1/30; C; C12; C12Q; C12Q1/00; C12Q1/54; G; G01; G01N; G01N1/00; G01N1/28; G01N1/38; G01N33/00; G01N33/48; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49467; Y10T29/49474
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A METHOD FOR PRODUCING ACTIVE PROFILES ON FLANKS OF BEVEL GEARS IN COLD STATE THEREOF, COMPRISING THE STEPS OF PREFORMING A BEVEL GEAR, DRIVING THE PREFORMED GEAR INTO A CALIBRATING MOLD, EXERTING PRESSURE ON THE ENTIRE GEAR AXIALLY THEREOF SO AS TO DISPLACE BY TOLERANCE AMOUNTS SOME OF THE GEAR MATERIAL IN THE REGION OF THE TOOTH FLANKS FROM THE LOWER FLANK PORTIONS OF THE TEETH AND FORMING ACTIVE PROFILES ON SAID FLANKS WITHOUT ALTERING THE WORKING DEPTH OF THE TEETH OF SAID GEAR, WHEREBY ACTIVE TOOTH PROFILES ARE FORMED THEREON, AND EJECTING THE TREATED GEAR FROM THE MOLD.
Claim 2
Independent Claim
99 words
A METHOD FOR PRODUCING ACTIVE PROFILES ON FLANKS OF BEVEL GEARS IN COLD STATE THEREOF, COMPRISING THE STEPS OF PREFORMING A BEVEL GEAR, DRIVING THE PREFORMED GEAR INTO A CALIBRATING MOLD, EXERTING PRESSURE ON THE ENTIRE GEAR AXIALLY THEREOF SO AS TO DISPLACE BY TOLERANCE AMOUNTS SOME OF THE GEAR MATERIAL IN THE REGION OF THE TOOTH FLANKS FROM THE LOWER FLANK PORTIONS OF THE TEETH AND FORMING ACTIVE PROFILES ON SAID FLANKS WITHOUT ALTERING THE WORKING DEPTH OF THE TEETH OF SAID GEAR, WHEREBY ACTIVE TOOTH PROFILES ARE FORMED THEREON, AND EJECTING THE TREATED GEAR FROM THE MOLD.
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |