Patent US3998917A successfully refreshed from Google Patents.
US3274841A
Expired / Lapsed
US
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Continuous tension belt adjusting bracket
Assignee: Individual
•
Filing: 1965-05-06
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Granted: 1966-09-27
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Expires: 1985-05-06
Abstract
No abstract record available.
Inventors
- 👤 John W Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:03
CPC Classifications
F; F16; F16H; F16H7/00; F16H7/08; F16H7/10; F16H7/14; F02; F02B; F02B67/00; F02B67/04; F02B67/06; F02B2275/00; F02B2275/06; F16H2007/0802; F16H2007/0808
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A CONTINUOUS TENSION BELT ADJUSTING DEVICE FOR THE BELT OF AN ELECTRIC GENERATOR MOUNTED FOR PIVOTAL MOVEMENT, COMPRISING: AN ELONGATED RIGID BRACKET ARM, SAID BRACKET ARM HAVING A SLOT FORMED THEREIN INTERMEDIATE THE OPPOSING ENDS THEREOF; MEANS MOUNTING ONE END OF SAID BRACKET ARM TO EXTEND IN A PLANE GENERALLY NORMAL TO THE ARMATURE SHAFT OF THE GENERATOR; A BRACKET SECURED TO SAID GENERATOR AND HAVING A PORTION EXTENDING OUTWARDLY THEREOF; FIRST PIN MEANS SECURED TO THE OUTWARDLY EXTENDING PORTION OF SAID BRACKET HAVING A PORTION THEREOF EXTENDING INTO AND THROUGH THE SLOT IN SAID BRACKET ARM, SAID FIRST PIN MEANS BEING SLIDABLE IN THE SLOT IN SAID BRACKET ARM FROM ONE END THEREOF TOWARD THE OTHER; SECOND PIN MEANS SECURED ADJACENT THE OTHER END OF THE SLOT OF SAID BRACKET ARM; AND TENSION SPRING MEANS CONNECTING SAID FIRST AND SECOND PIN MEANS FOR APPLYING A CONTINUOUS SPRING TENSION AGAINST THE GENERATOR, TENDING TO URGE THE GENERATOR ABOUT ITS PIVOTAL MOUNTING.
Claim 2
Dependent Claim
161 words
A CONTINUOUS TENSION BELT ADJUSTING DEVICE FOR THE BELT OF AN ELECTRIC GENERATOR MOUNTED FOR PIVOTAL MOVEMENT, COMPRISING: AN ELONGATED RIGID BRACKET ARM, SAID BRACKET ARM HAVING A SLOT FORMED THEREIN INTERMEDIATE THE OPPOSING ENDS THEREOF; MEANS MOUNTING ONE END OF SAID BRACKET ARM TO EXTEND IN A PLANE GENERALLY NORMAL TO THE ARMATURE SHAFT OF THE GENERATOR; A BRACKET SECURED TO SAID GENERATOR AND HAVING A PORTION EXTENDING OUTWARDLY THEREOF; FIRST PIN MEANS SECURED TO THE OUTWARDLY EXTENDING PORTION OF SAID BRACKET HAVING A PORTION THEREOF EXTENDING INTO AND THROUGH THE SLOT IN SAID BRACKET ARM, SAID FIRST PIN MEANS BEING SLIDABLE IN THE SLOT IN SAID BRACKET ARM FROM ONE END THEREOF TOWARD THE OTHER; SECOND PIN MEANS SECURED ADJACENT THE OTHER END OF THE SLOT OF SAID BRACKET ARM; AND TENSION SPRING MEANS CONNECTING SAID FIRST AND SECOND PIN MEANS FOR APPLYING A CONTINUOUS SPRING TENSION AGAINST THE GENERATOR, TENDING TO URGE THE GENERATOR ABOUT ITS PIVOTAL MOUNTING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |