US3316944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Helical wrapping mechanism for coil spring units
Assignee: J R GREENO CO
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Filing: 1964-01-23
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Granted: 1967-05-02
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Expires: 1984-01-23
Abstract
No abstract record available.
Inventors
- 👤 Goldmeyer Clifford
- 👤 Thomas J Dull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:58
CPC Classifications
B; B21; B21F; B21F33/00; B21F33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A HELICAL WRAPPING MACHINE FOR COMPLETING THE ASSEMBLY OF A COIL SPRING UNIT, SAID COIL SPRING UNIT COMPRISING ROWS OF COIL SPRINGS, A BORDER ELEMENT, AND HELICALS CONNECTING THE ROWS OF COIL SPRINGS TO ONE ANOTHER, SAID HELICALS EACH HAVING AT LEAST ONE END PORTION PROJECTING OUTWARDLY BEYOND SAID BORDER ELEMENT, SAID WRAPPING MACHINE COMPRISING, A MACHINE FRAME, A LOCATING MECHANISM MOUNTED ON THE MACHINE FRAME INCLUDING A SHIFTABLE ELEMENT ADAPTED TO LOCATE AND CLAMP MATING PORTIONS OF THE BORDER ELEMENT, COIL SPRING AND HELICAL IN WRAPPING POSITION RELATIVE TO ONE ANOTHER, A ROTATABLE WRAPPING ELEMENT MOUNTED ADJACENT SAID LOCATING MECHANISM AND ADAPTED TO RECEIVE THE END PORTION OF SAID HELICAL, AND MEANS FOR MOVING THE SHIFTABLE ELEMENT OF THE LOCATING MECHANISM INTO LOCATING AND CLAMPING POSITION, AND FOR IMPARTING ROTARY MOTION TO SAID WRAPPING ELEMENT, SAID WRAPPING ELEMENT ADAPTED TO WRAP THE PROJECTING END PORTION OF SAID HELICAL ABOUT THE MATING PORTIONS OF THE BORDER ELEMENT AND COIL SPRING, WHEREBY THE WRAPPED END PORTION OF THE HELICAL TIES THE MATING PORTIONS OF THE COIL SPRING AND BORDER ELEMENT TO ONE ANOTHER.
Claim 2
Dependent Claim
182 words
A HELICAL WRAPPING MACHINE FOR COMPLETING THE ASSEMBLY OF A COIL SPRING UNIT, SAID COIL SPRING UNIT COMPRISING ROWS OF COIL SPRINGS, A BORDER ELEMENT, AND HELICALS CONNECTING THE ROWS OF COIL SPRINGS TO ONE ANOTHER, SAID HELICALS EACH HAVING AT LEAST ONE END PORTION PROJECTING OUTWARDLY BEYOND SAID BORDER ELEMENT, SAID WRAPPING MACHINE COMPRISING, A MACHINE FRAME, A LOCATING MECHANISM MOUNTED ON THE MACHINE FRAME INCLUDING A SHIFTABLE ELEMENT ADAPTED TO LOCATE AND CLAMP MATING PORTIONS OF THE BORDER ELEMENT, COIL SPRING AND HELICAL IN WRAPPING POSITION RELATIVE TO ONE ANOTHER, A ROTATABLE WRAPPING ELEMENT MOUNTED ADJACENT SAID LOCATING MECHANISM AND ADAPTED TO RECEIVE THE END PORTION OF SAID HELICAL, AND MEANS FOR MOVING THE SHIFTABLE ELEMENT OF THE LOCATING MECHANISM INTO LOCATING AND CLAMPING POSITION, AND FOR IMPARTING ROTARY MOTION TO SAID WRAPPING ELEMENT, SAID WRAPPING ELEMENT ADAPTED TO WRAP THE PROJECTING END PORTION OF SAID HELICAL ABOUT THE MATING PORTIONS OF THE BORDER ELEMENT AND COIL SPRING, WHEREBY THE WRAPPED END PORTION OF THE HELICAL TIES THE MATING PORTIONS OF THE COIL SPRING AND BORDER ELEMENT TO ONE ANOTHER.
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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |