US3128694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Print hammer mechanism
Assignee: Holley Performance Products Inc
•
Filing: 1961-10-16
•
Granted: 1964-04-14
•
Expires: 1981-10-16
Abstract
No abstract record available.
Inventors
- 👤 Milton J Kittler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:16
CPC Classifications
B; B41; B41J; B41J9/00; B41J9/26; B41J9/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN A PRINTER HAVING A ROTATING PRINT DRUM, THE COMBINATION OF A FREE FLIGHT PROJECTILE TYPE PRINT HAMMER, FIRST SPRING MEANS FOR URGING SAID PRINT HAMMER AWAY FROM SAID PRINT DRUM, A ROTATING ECCENTRIC SHAFT, FIRST MEANS FOR AT TIMES IMPACTING SAID PRINT HAMMER, SAID FIRST MEANS BEING FITTED FREELY AROUND SAID ROTATING ECCENTRIC SHAFT AND CAUSED TO MOVE IN AN ORBITAL PATH, SECOND SPRING MEANS CONNECTED TO THE IMPACT END OF SAID FIRST MEANS FOR URGING SAID IMPACT END AGAINST SAID PRINT HAMMER AND THEREBY DETERMINING ORBITAL PATH OF THE OTHER END OF SAID FIRST MEANS, SECOND MEANS FOR AT TIMES ENTERING SAID ORBITAL PATH OF SAID OTHER END OF SAID FIRST MEANS, AND THEREBY CHANGING A PORTION OF SAID ORBITAL PATH, THIRD SPRING MEANS FOR URGING SAID SECOND MEANS INTO SAID ORBITAL PATH AND THIRD MEANS FOR PREVENTING SAID SECOND MEANS FROM ENTERING SAID ORBITAL PATH.
Claim 2
Dependent Claim
148 words
IN A PRINTER HAVING A ROTATING PRINT DRUM, THE COMBINATION OF A FREE FLIGHT PROJECTILE TYPE PRINT HAMMER, FIRST SPRING MEANS FOR URGING SAID PRINT HAMMER AWAY FROM SAID PRINT DRUM, A ROTATING ECCENTRIC SHAFT, FIRST MEANS FOR AT TIMES IMPACTING SAID PRINT HAMMER, SAID FIRST MEANS BEING FITTED FREELY AROUND SAID ROTATING ECCENTRIC SHAFT AND CAUSED TO MOVE IN AN ORBITAL PATH, SECOND SPRING MEANS CONNECTED TO THE IMPACT END OF SAID FIRST MEANS FOR URGING SAID IMPACT END AGAINST SAID PRINT HAMMER AND THEREBY DETERMINING ORBITAL PATH OF THE OTHER END OF SAID FIRST MEANS, SECOND MEANS FOR AT TIMES ENTERING SAID ORBITAL PATH OF SAID OTHER END OF SAID FIRST MEANS, AND THEREBY CHANGING A PORTION OF SAID ORBITAL PATH, THIRD SPRING MEANS FOR URGING SAID SECOND MEANS INTO SAID ORBITAL PATH AND THIRD MEANS FOR PREVENTING SAID SECOND MEANS FROM ENTERING SAID ORBITAL PATH.
References Cited (Backward Citations)
US2622515A
Cited
US2787210A
Cited
US2766686A
Cited
US2858536A
Cited
US2873666A
Cited
US2895411A
Cited
US2897752A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |