US3345943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inking devices for printers
Assignee: Molins Machine Co Ltd
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Filing: 1965-08-17
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Granted: 1967-10-10
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Expires: 1985-08-17
Abstract
No abstract record available.
Inventors
- 👤 Rakowicz Jan Antoni
- 👤 Wark Geoffrey Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:17
CPC Classifications
B; B41; B41F; B41F31/00; B41F31/02; B41F31/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
AN INKING DEVICE FOR A LETTERPRESS PRINTER COMPRISING A PAIR OF INKING ROLLERS MOUNTED FOR RUNNING IN CONTACT WITH EACH OTHER, A PISTON-CYLINDER ARRANGEMENT FOR CONTAINING AND FEEDING AN INK SUPPLY, A FINE NOZZLE ARRANGED TO FIT IN THE NIP OF THE TWO ROLLERS, CONDUIT MEANS CONNECTING SAID CYLINDER WITH SAID NOZZLE AND POWER DRIVEN MEANS OPERATIVELY CONNECTED TO SAID PISTON TO MOVE SAID PISTON THROUGH SAID CYLINDER FOR FEEDING INK AT A METERED RATE FROM SAID CYLINDER THROUGH SAID NOZZLE TO MAINTAIN A SMALL WEDGE OF INK IN SAID NIP, SAID POWER DRIVEN MEANS COMPRISING A CRANK DEVICE OPERATIVELY CONNECTED TO AND DRIVEN BY SAID LETTERPRESS PRINTER, A ROD SECURED TO SAID PISTON, AN AXIALLY FIXED SCREW HAVING A NUT THEREON WHICH PRESSES AGAINST SAID ROD WHEREBY ROTATION OF SAID SCREW CAUSES SAID NUT, ROD AND PISTON TO MOVE, A SPRAG CLUTCH SECURED TO SAID SCREW, A LEVER FOR DRIVING SAID CLUTCH AND A CONNECTING ROD SECURED TO SAID LEVER AND OPERATIVELY CONNECTED TO SAID LETTERPRESS PRINTER WHEREBY SAID SCREW IS INTERMITTENTLY ROTATABLE.
Claim 2
Dependent Claim
174 words
AN INKING DEVICE FOR A LETTERPRESS PRINTER COMPRISING A PAIR OF INKING ROLLERS MOUNTED FOR RUNNING IN CONTACT WITH EACH OTHER, A PISTON-CYLINDER ARRANGEMENT FOR CONTAINING AND FEEDING AN INK SUPPLY, A FINE NOZZLE ARRANGED TO FIT IN THE NIP OF THE TWO ROLLERS, CONDUIT MEANS CONNECTING SAID CYLINDER WITH SAID NOZZLE AND POWER DRIVEN MEANS OPERATIVELY CONNECTED TO SAID PISTON TO MOVE SAID PISTON THROUGH SAID CYLINDER FOR FEEDING INK AT A METERED RATE FROM SAID CYLINDER THROUGH SAID NOZZLE TO MAINTAIN A SMALL WEDGE OF INK IN SAID NIP, SAID POWER DRIVEN MEANS COMPRISING A CRANK DEVICE OPERATIVELY CONNECTED TO AND DRIVEN BY SAID LETTERPRESS PRINTER, A ROD SECURED TO SAID PISTON, AN AXIALLY FIXED SCREW HAVING A NUT THEREON WHICH PRESSES AGAINST SAID ROD WHEREBY ROTATION OF SAID SCREW CAUSES SAID NUT, ROD AND PISTON TO MOVE, A SPRAG CLUTCH SECURED TO SAID SCREW, A LEVER FOR DRIVING SAID CLUTCH AND A CONNECTING ROD SECURED TO SAID LEVER AND OPERATIVELY CONNECTED TO SAID LETTERPRESS PRINTER WHEREBY SAID SCREW IS INTERMITTENTLY ROTATABLE.
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |