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US3385211A Expired / Lapsed US ⏱️ 0.0 years remaining

Solenoid arrangement for high speed printer

Assignee: SHEPARD LAB Inc
•
Filing: 1965-12-15
•
Granted: 1968-05-28
•
Expires: 1985-12-15
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Francis H Shepard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 11:36
CPC Classifications
B; B41; B41J; B41J9/00; B41J9/02; B41J9/127; B41J9/26; B41J9/38

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 196 words
IN A HIGH SPEED PRINTER OF THE CHARACTER DESCRIBED, A FIRST ELONGATED HAMMER ADAPTED TO BE FIRED END FIRST AGAINST A TYPE FONT AND THE LIKE, A FIRST HAMMER FIRING SOLENOID COMPRISING A THIN SPRINGY ARM, AN OUTER END OF WHICH ENGAGES SAID HAMMER, A PIVOT ON SAID ARM AT A POINT ALONG ITS LENGTH, AN UPSTANDING FRAME FOR SUPPORTING SAID PIVOT, SAID FRAME SUPPORTING SAID PIVOT IN CANTILEVER FASHION, SAID PIVOT INCLUDING AN ANNULAR PORTION OF RUBBER-LIKE MATERIAL WHICH PROVIDES SPRINGINESS IN CONJUNCTION WITH THE SPRINGINESS OF SAID ARM, A YOKE AND COIL ASSEMBLY ON SAID FRAME FOR ACTUATING SAID ARM, A SECOND HAMMER SIMILAR TO THE FIRST, A SECOND SOLENOID SIMILAR TO THE FIRST AND CONTAINING A SECOND ARM, PIVOT AND YOKE ASSEMBLY, SAID FIRST ARM BEING STRAIGHT WITH ITS PIVOT INTERMEDIATE ITS ENDS, SAID SECOND ARM BEING BENT WITH SAID PIVOT NEAR THE AREA OF BEND, SAID FIRST PIVOT BEING MATCHED TO SAID FIRST ARM AND SAID SECOND PIVOT BEING MATCHED TO SAID SECOND ARM TO GIVE SUBSTANTIALLY IDENTICAL OPERATING CHARACTERISTICS FOR SAID FIRST AND SECOND SOLENOIDS, WHEREBY SAID SOLENOIDS CAN BE TIGHTLY PACKED IN THE PRINTER AND WILL OPERATE SAID HAMMERS UNIFORMLY.
Claim 2
Dependent Claim 196 words
IN A HIGH SPEED PRINTER OF THE CHARACTER DESCRIBED, A FIRST ELONGATED HAMMER ADAPTED TO BE FIRED END FIRST AGAINST A TYPE FONT AND THE LIKE, A FIRST HAMMER FIRING SOLENOID COMPRISING A THIN SPRINGY ARM, AN OUTER END OF WHICH ENGAGES SAID HAMMER, A PIVOT ON SAID ARM AT A POINT ALONG ITS LENGTH, AN UPSTANDING FRAME FOR SUPPORTING SAID PIVOT, SAID FRAME SUPPORTING SAID PIVOT IN CANTILEVER FASHION, SAID PIVOT INCLUDING AN ANNULAR PORTION OF RUBBER-LIKE MATERIAL WHICH PROVIDES SPRINGINESS IN CONJUNCTION WITH THE SPRINGINESS OF SAID ARM, A YOKE AND COIL ASSEMBLY ON SAID FRAME FOR ACTUATING SAID ARM, A SECOND HAMMER SIMILAR TO THE FIRST, A SECOND SOLENOID SIMILAR TO THE FIRST AND CONTAINING A SECOND ARM, PIVOT AND YOKE ASSEMBLY, SAID FIRST ARM BEING STRAIGHT WITH ITS PIVOT INTERMEDIATE ITS ENDS, SAID SECOND ARM BEING BENT WITH SAID PIVOT NEAR THE AREA OF BEND, SAID FIRST PIVOT BEING MATCHED TO SAID FIRST ARM AND SAID SECOND PIVOT BEING MATCHED TO SAID SECOND ARM TO GIVE SUBSTANTIALLY IDENTICAL OPERATING CHARACTERISTICS FOR SAID FIRST AND SECOND SOLENOIDS, WHEREBY SAID SOLENOIDS CAN BE TIGHTLY PACKED IN THE PRINTER AND WILL OPERATE SAID HAMMERS UNIFORMLY.

References Cited (Backward Citations)

US1933570A Cited
US2283804A Cited
US2787210A Cited
US3144821A Cited
US3183830A Cited
US3110250A Cited
US3173359A Cited
US3190957A Cited
US3177803A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-05-28 1971-11-27 1972-05-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-05-28 1975-11-27 1976-05-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-05-28 1979-11-27 1980-05-28 $7700.00 Window Closed / Lapsed

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