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US3199650A Expired / Lapsed US ⏱️ 0.0 years remaining

Hammer with dampening means for high speed printer

Assignee: International Business Machines Corp
•
Filing: 1961-08-02
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Granted: 1965-08-10
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Expires: 1981-08-02
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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.

References Cited (Backward Citations)

US1542129A Cited
FR815046A Cited
US2328636A Cited
US2323388A Cited
US2504759A Cited
US2531875A Cited
US2625100A Cited
US2592013A Cited
US2854100A Cited
FR1163525A Cited
US3041964A Cited

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

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