US3077830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed print mechanism
Assignee: Unisys Corp
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Filing: 1961-06-05
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Granted: 1963-02-19
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Expires: 1981-06-05
Abstract
No abstract record available.
Inventors
- 👤 Paige Walter Griffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:03
CPC Classifications
B; B41; B41J; B41J9/00; B41J9/26; B41J9/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A HIGH SPEED PRINTER WHICH INCLUDES A MOVING PRINT SURFACE HAVING TYPE CHARACTERS IMPRESSED THEREON AND A PRINT HAMMER HAVING A PRINT FACE POSITIONED TO IMPINGE UPON THE PRINT SURFACE, A HAMMER ACTUATING MECHANISM COMPRISING: GUIDE MEANS HAVING FIRST AND SECOND GUIDE SURFACES POSITIONED ON EITHER SIDE OF SAID HAMMER IN A COMMON PLANE ADJACENT TO THE PRINT SURFACE; A LENGTH OF TAPE HAVING A HIGH TENSILE STRENGTH PASSING OVER SAID FIRST AND SECOND GUIDE SURFACES AND A POINT ON SAID HAMMER WHICH LIES TO A SIDE OF THE COMMON PLANE THAT IS REMOTE FROM SAID PRINT SURFACE; AND MEANS FOR SHORTENING THE LENGTH OF TAPE PASSING BETWEEN SAID FIRST AND SECOND GUIDE SURFACES TO PROPEL SAID HAMMER AGAINST SAID PRINT SURFACE.
Claim 2
Dependent Claim
123 words
IN A HIGH SPEED PRINTER WHICH INCLUDES A MOVING PRINT SURFACE HAVING TYPE CHARACTERS IMPRESSED THEREON AND A PRINT HAMMER HAVING A PRINT FACE POSITIONED TO IMPINGE UPON THE PRINT SURFACE, A HAMMER ACTUATING MECHANISM COMPRISING: GUIDE MEANS HAVING FIRST AND SECOND GUIDE SURFACES POSITIONED ON EITHER SIDE OF SAID HAMMER IN A COMMON PLANE ADJACENT TO THE PRINT SURFACE; A LENGTH OF TAPE HAVING A HIGH TENSILE STRENGTH PASSING OVER SAID FIRST AND SECOND GUIDE SURFACES AND A POINT ON SAID HAMMER WHICH LIES TO A SIDE OF THE COMMON PLANE THAT IS REMOTE FROM SAID PRINT SURFACE; AND MEANS FOR SHORTENING THE LENGTH OF TAPE PASSING BETWEEN SAID FIRST AND SECOND GUIDE SURFACES TO PROPEL SAID HAMMER AGAINST SAID PRINT SURFACE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |