Patent US3199650A successfully refreshed from Google Patents.
US3199650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hammer with dampening means for high speed printer
Assignee: International Business Machines Corp
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Filing: 1961-08-02
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Granted: 1965-08-10
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Expires: 1981-08-02
Abstract
No abstract record available.
Inventors
- 👤 Edgar A Brown
- 👤 Gunter H Schacht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:01
CPC Classifications
B; B41; B41J; B41J5/00; B41J5/30; B41J5/31; B41J5/36; B41J5/38; Y; Y10; Y10S; Y10S400/00; Y10S400/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
212 words
IN AN ON THE FLY PRINTER HAVING A ROTATING TYPE FONT AND A FIRING PIN FOR COACTION THEREWITH TO CREATE AN IMPRESSION THEREOF ON A PRINT MEDIUM, HAMMER MEANS FOR OPERATING SAID FIRING PIN, SPRING ACTUATOR MEANS FOR MOVING SAID HAMMER FROM A READY POSITION TO A STRIKE POSITION TO OPERATE SAID FIRING PIN, FIRST MAGNETIC LATCH MEANS, MEANS FOR ENERGIZING SAID LATCH MEANS TO RETAIN SAID HAMMER IN THE READY POSITION AGAINST THE FORCE OF SAID SPRING ACTUATOR, PIVOT MEANS SUPPORTING SAID HAMMER FOR MOVMENT BY SAID ACTUATOR MEANS TO OPERATE SAID FIRING PIN UPON DEENERGIZATION OF SAID LATCH MEANS, RESTORE MEANS FOR SAID HAMMER COMPRISING A CAM, MEANS FOR CONTINUOUSLY DRIVING SAID CAM AT AN INTEGRAL MULTIPLE OF THE SPEED OF SAID PRINT WHEEL, A CAM FOLLOWER OPERABLE BETWEEN AN IDLE AND A RESTORE POSITION, SECOND MAGNETIC LATCH MEANS, MEANS FOR ENERGIZING SAID SECOND LATCH MEANS TO HOLD SAID FOLLOWER IN THE IDLE POSITION, MEANS FOR DEENERGIZING SAID SECOND LATCH MEANS TO RELEASE SAID FOLLOWER AT SELECTED POINTS DURING ROTATION OF SAID TYPE FONT TO FOLLOW SAID CAM, AND MEANS AFFIXED TO SAID FOLLOWER FOR ENGAGING SAID HAMMER DURING MOVEMENT FROM THE IDLE TO THE RESTORE POSITION TO MOVE SAID HAMMER INTO SAID READY POSITION AGAINST SAID FIRST LATCH MEANS.
Claim 2
Dependent Claim
212 words
IN AN ON THE FLY PRINTER HAVING A ROTATING TYPE FONT AND A FIRING PIN FOR COACTION THEREWITH TO CREATE AN IMPRESSION THEREOF ON A PRINT MEDIUM, HAMMER MEANS FOR OPERATING SAID FIRING PIN, SPRING ACTUATOR MEANS FOR MOVING SAID HAMMER FROM A READY POSITION TO A STRIKE POSITION TO OPERATE SAID FIRING PIN, FIRST MAGNETIC LATCH MEANS, MEANS FOR ENERGIZING SAID LATCH MEANS TO RETAIN SAID HAMMER IN THE READY POSITION AGAINST THE FORCE OF SAID SPRING ACTUATOR, PIVOT MEANS SUPPORTING SAID HAMMER FOR MOVMENT BY SAID ACTUATOR MEANS TO OPERATE SAID FIRING PIN UPON DEENERGIZATION OF SAID LATCH MEANS, RESTORE MEANS FOR SAID HAMMER COMPRISING A CAM, MEANS FOR CONTINUOUSLY DRIVING SAID CAM AT AN INTEGRAL MULTIPLE OF THE SPEED OF SAID PRINT WHEEL, A CAM FOLLOWER OPERABLE BETWEEN AN IDLE AND A RESTORE POSITION, SECOND MAGNETIC LATCH MEANS, MEANS FOR ENERGIZING SAID SECOND LATCH MEANS TO HOLD SAID FOLLOWER IN THE IDLE POSITION, MEANS FOR DEENERGIZING SAID SECOND LATCH MEANS TO RELEASE SAID FOLLOWER AT SELECTED POINTS DURING ROTATION OF SAID TYPE FONT TO FOLLOW SAID CAM, AND MEANS AFFIXED TO SAID FOLLOWER FOR ENGAGING SAID HAMMER DURING MOVEMENT FROM THE IDLE TO THE RESTORE POSITION TO MOVE SAID HAMMER INTO SAID READY POSITION AGAINST SAID FIRST LATCH 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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |