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US3164084A Expired / Lapsed US ⏱️ 0.0 years remaining

High speed belt printer with internal hammer

Assignee: Unisys Corp
•
Filing: 1962-01-18
•
Granted: 1965-01-05
•
Expires: 1982-01-18
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Abstract

No abstract record available.

Inventors

  • 👤 Paige Walter Griffin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 20:24
CPC Classifications
B; B41; B41J; B41J1/00; B41J1/20

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 221 words
A HIGH SPEED PRINTER COMPRISING: A PLATEN; A PLURALITY OF CONTINUOUS, FLEXIBLE BELTS, EACH BELT HAVING TYPE CHARACTERS DISPOSED ON ITS OUTER SURFACE; MEAN FOR MOVING EAFH BELT TO PASS TYPE CHARACTERS IN SUCCESSION ADJACENT TO THE PLATEN; A SUPPORT MEMBER MOUNTED INTERNAL TO THE BELTS; A PLURALITY OF LIGHTWEIGHT ELONGATED HAMMERS ALIGNED IN A COMMON PLANE AND MOUNTED FOR SLIDING MOVEMENT ON THE SUPPORT MEMBER SUBSTANTIALLY NORMAL TO THE PLATEN, EACH HAMMER HAVING A FORWARD FACE ALIGNED WITH AND IMMEDIATELY ADJACENT TO A DIFFERENT BELT; A FIRST PLURALITY OF ELECTROMAGNETS COUPLED TO THE SUPPORT MEMBER ON ONE SIDE OF THE PLANE OF THE HAMMERS, THE ELECTROMAGNET OF THE FIRST PLURALITY OF ELECTROMAGNETS EACH HAVING AN ARMATURE, THE ARMATURES OF THE FIRST PLURALITY OF ELECTROMAGNETS BEING HINGED TO STRIKE A REAR FACE OF ALTERNATE ONES OF THE HAMMERS TO PROPEL THE ALTERNATE HAMMERS AGAINST ALTERNATE BELTS TOWARD THE PLATEN; A SECOND PLURALITY OF ELECTROMAGNETS COUPLED TO THE SUPPORT MEMBER ON AN OPPOSITE SIDE OF THE PLANE OF THE HAMMERS, THE ELECTROMAGNETS OF THE SECOND PLURALITY OF ELECTROMAGNETS EACH HAVING AN ARMATURE, THE ARMATURE OF THE SECOND PLURALITY OF ELECTROMAGNETS BEING INTERLACED WITH THE ARMATURES OF THE FIRST PLURALITY OF ELECTROMAGNETS AND HINGED TO STRIKE A REAR FACE OF ALTERNATE HAMMERS TO PROPEL THE ALTERNATE HAMMERS AGAINST ALTERNATE BELTS TOWARD THE PLATEN.
Claim 2
Dependent Claim 221 words
A HIGH SPEED PRINTER COMPRISING: A PLATEN; A PLURALITY OF CONTINUOUS, FLEXIBLE BELTS, EACH BELT HAVING TYPE CHARACTERS DISPOSED ON ITS OUTER SURFACE; MEAN FOR MOVING EAFH BELT TO PASS TYPE CHARACTERS IN SUCCESSION ADJACENT TO THE PLATEN; A SUPPORT MEMBER MOUNTED INTERNAL TO THE BELTS; A PLURALITY OF LIGHTWEIGHT ELONGATED HAMMERS ALIGNED IN A COMMON PLANE AND MOUNTED FOR SLIDING MOVEMENT ON THE SUPPORT MEMBER SUBSTANTIALLY NORMAL TO THE PLATEN, EACH HAMMER HAVING A FORWARD FACE ALIGNED WITH AND IMMEDIATELY ADJACENT TO A DIFFERENT BELT; A FIRST PLURALITY OF ELECTROMAGNETS COUPLED TO THE SUPPORT MEMBER ON ONE SIDE OF THE PLANE OF THE HAMMERS, THE ELECTROMAGNET OF THE FIRST PLURALITY OF ELECTROMAGNETS EACH HAVING AN ARMATURE, THE ARMATURES OF THE FIRST PLURALITY OF ELECTROMAGNETS BEING HINGED TO STRIKE A REAR FACE OF ALTERNATE ONES OF THE HAMMERS TO PROPEL THE ALTERNATE HAMMERS AGAINST ALTERNATE BELTS TOWARD THE PLATEN; A SECOND PLURALITY OF ELECTROMAGNETS COUPLED TO THE SUPPORT MEMBER ON AN OPPOSITE SIDE OF THE PLANE OF THE HAMMERS, THE ELECTROMAGNETS OF THE SECOND PLURALITY OF ELECTROMAGNETS EACH HAVING AN ARMATURE, THE ARMATURE OF THE SECOND PLURALITY OF ELECTROMAGNETS BEING INTERLACED WITH THE ARMATURES OF THE FIRST PLURALITY OF ELECTROMAGNETS AND HINGED TO STRIKE A REAR FACE OF ALTERNATE HAMMERS TO PROPEL THE ALTERNATE HAMMERS AGAINST ALTERNATE BELTS TOWARD THE PLATEN.

References Cited (Backward Citations)

US2950048A Cited
US2101444A Cited
US2093545A Cited
US2053063A Cited
US2831424A Cited
US2737883A Cited
US3012499A Cited
US2990767A Cited
US2918865A Cited
US3041964A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-01-05 1968-07-06 1969-01-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-01-05 1972-07-06 1973-01-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-01-05 1976-07-06 1977-01-05 $7700.00 Window Closed / Lapsed

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