Patent US3237469A successfully refreshed from Google Patents.
US3237469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing gears
Assignee: Individual
•
Filing: 1964-04-13
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Granted: 1966-03-01
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Expires: 1984-04-13
Abstract
No abstract record available.
Inventors
- 👤 Banks M Berry
- 👤 James E Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:20
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/02; F01L1/022; F01L1/024; F01L1/026; F02; F02B; F02B2275/00; F02B2275/08; F16; F16D; F16D2300/00; F16D2300/20; Y; Y10; Y10S; Y10S474/00; Y10S474/90; Y10S474/903; Y10T; Y10T403/00; Y10T403/46; Y10T403/70; Y10T403/7026; Y10T403/7035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A TIMING ASSEMBLY FOR COUPLING A PAIR OF SHAFTS FOR ROTATION WITH A SELECTED CONSTANT PHASE ANGLE THEREBETWEEN, COMPRISING A FIRST SHAFT, A FIRST GEAR FIXED TO SAID FIRST SHAFT AND ROTATING THEREWITH, A SECOND SHAFT, A SECOND GEAR ON SAID SECOND SHAFT, MEANS COUPLING SAID FIRST AND SECOND GEARS, AND MEANS FIXING SAID SECOND GEAR TO SAID SECOND SHAFT WITH SELECTED PHASE DISPLACEMENT, SAID LAST NAMED MEANS INCLUDING KEYING MEANS ON SAID SECOND SHAFT AND A PLURALITY OF KEYWAYS AT VARIOUS ANGULAR SPACINGS IN SAID SECOND GEAR, THE SELECTION OF WHICH TO COOPERATE WITH SAID SHAFT KEYING MEANS DETERMINES THE PHASE RELATIONSHIP BETWEEN SAID FIRST AND SECOND SHAFTS.
Claim 2
Dependent Claim
109 words
A TIMING ASSEMBLY FOR COUPLING A PAIR OF SHAFTS FOR ROTATION WITH A SELECTED CONSTANT PHASE ANGLE THEREBETWEEN, COMPRISING A FIRST SHAFT, A FIRST GEAR FIXED TO SAID FIRST SHAFT AND ROTATING THEREWITH, A SECOND SHAFT, A SECOND GEAR ON SAID SECOND SHAFT, MEANS COUPLING SAID FIRST AND SECOND GEARS, AND MEANS FIXING SAID SECOND GEAR TO SAID SECOND SHAFT WITH SELECTED PHASE DISPLACEMENT, SAID LAST NAMED MEANS INCLUDING KEYING MEANS ON SAID SECOND SHAFT AND A PLURALITY OF KEYWAYS AT VARIOUS ANGULAR SPACINGS IN SAID SECOND GEAR, THE SELECTION OF WHICH TO COOPERATE WITH SAID SHAFT KEYING MEANS DETERMINES THE PHASE RELATIONSHIP BETWEEN SAID FIRST AND SECOND SHAFTS.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |