Patent US3276561A successfully refreshed from Google Patents.
US3276561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch engagement delay mechanism
Assignee: Royal Typewriter Co Inc
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Filing: 1964-09-16
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Granted: 1966-10-04
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Expires: 1984-09-16
Abstract
No abstract record available.
Inventors
- 👤 Fred W Berg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:22
CPC Classifications
B; B41; B41J; B41J11/00; B41J11/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN A CLUTCH HAVING DRIVING AND DRIVEN MEMBERS, OPERATION RESPONSIVE MEANS MOVABLE TO EFFECT THE COUPLING OF SAID DRIVING AND DRIVEN MEMBERS, AND MEAND ASSOCIATED WITH SAID DRIVING MEMBERS AND SAID OPERATION RESPONSIVE MEANS TO CONTROL THE MOVEMENT OF SAID OPERATION RESPONSIVE MEANS COMPRISING, A FRICTION CYLINDER DRIVEN BY SAID DRIVING MEMBER, AND AN ECCENTRIC ROLL CAM PIVOTALLY MOUNTED ON SAID OPERATION RESPONSIVE MEANS OPERATIVE UPON MOVEMENT THEREOF TO ENCOUNTER SAID FRICTION CYLINDER THEREBY TO DELAY THE MOVEMENT OF SAID OPERATION RESPONSIVE MEANS.
Claim 2
Dependent Claim
83 words
IN A CLUTCH HAVING DRIVING AND DRIVEN MEMBERS, OPERATION RESPONSIVE MEANS MOVABLE TO EFFECT THE COUPLING OF SAID DRIVING AND DRIVEN MEMBERS, AND MEAND ASSOCIATED WITH SAID DRIVING MEMBERS AND SAID OPERATION RESPONSIVE MEANS TO CONTROL THE MOVEMENT OF SAID OPERATION RESPONSIVE MEANS COMPRISING, A FRICTION CYLINDER DRIVEN BY SAID DRIVING MEMBER, AND AN ECCENTRIC ROLL CAM PIVOTALLY MOUNTED ON SAID OPERATION RESPONSIVE MEANS OPERATIVE UPON MOVEMENT THEREOF TO ENCOUNTER SAID FRICTION CYLINDER THEREBY TO DELAY THE MOVEMENT OF SAID OPERATION RESPONSIVE MEANS.
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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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |