US3147792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube and bar bending machinery
Assignee: Eaton Leonard Corp
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Filing: 1961-09-25
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Granted: 1964-09-08
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Expires: 1981-09-25
Abstract
No abstract record available.
Inventors
- 👤 Charles F Hautau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:23
CPC Classifications
B; B21; B21D; B21D9/00; B21D9/05; B21D9/055; B21D9/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
222 words
A MACHINE FOR BENDING AN ELONGATED MEMBER, COMPRISING: A SUPPORT FOR SAID MEMBER; A BENDING FORM HAVING ITS AXIS EXTENDED PERPENDICULARLY TO THE AXIS OF SAID ELONGATED MEMBER, SAID FORM BEING ROTATABLE ABOUT ITS AXIS AND MOVABLE IN A DIRECTION PARALLEL TO THE EXTENSION OF SAID MEMBER; A FIRST CLAMP OPERATIVE TO RESTRAIN A FIRST POINT ON THE LENGTH OF SAID ELONGATED MEMBER FROM MOVEMENT WITH RESPECT TO SAID SUPPORT; A SECOND CLAMP OPERATIVE TO CLAMP A SECOND POINT ON SAID ELONGATED MEMBER AGAINST THE PERIMETER OF SAID BENDING FORM, SAID SECOND CLAMP BEING ROTATABLE ABOUT THE AXIS OF SAID BENDING FORM AND MOVABLE IN A DIRECTION PARALLEL TO THE EXTENSION OF SAID MEMBER; MEANS FOR ROTATING SAID BENDING FORM AND SAID SECOND CLAMP ABOUT THE AXIS OF SAID BENDING FORM SO THAT A SECTION OF SAID ELONGATED MEMBER BETWEEN SAID FIRST AND SECOND POINTS IS PULLED AROUND SAID BENDING FORM THEREBY STRESSING SAID MEMBER BETWEEN SAID FIRST AND SECOND POINTS; AND MEANS FOR RESTRAINING MOTION OF SAID BENDING FORM AND SAID SECOND CLAMP IN THE DIRECTION PARALLEL TO THE AXIS OF SAID ELONGATED MEMBER IN SUCH A MANNER THAT THE MOTION OF SAID BENDING FORM AND SAID SECOND CLAMP TOWARD SAID FIRST CLAMP OCCURS ONLY UPON THE IMPOSITION OF A PREDETERMINED STRESS UPON THE MEMBER BETWEEN SAID FIRST AND SECOND POINTS.
Claim 2
Dependent Claim
222 words
A MACHINE FOR BENDING AN ELONGATED MEMBER, COMPRISING: A SUPPORT FOR SAID MEMBER; A BENDING FORM HAVING ITS AXIS EXTENDED PERPENDICULARLY TO THE AXIS OF SAID ELONGATED MEMBER, SAID FORM BEING ROTATABLE ABOUT ITS AXIS AND MOVABLE IN A DIRECTION PARALLEL TO THE EXTENSION OF SAID MEMBER; A FIRST CLAMP OPERATIVE TO RESTRAIN A FIRST POINT ON THE LENGTH OF SAID ELONGATED MEMBER FROM MOVEMENT WITH RESPECT TO SAID SUPPORT; A SECOND CLAMP OPERATIVE TO CLAMP A SECOND POINT ON SAID ELONGATED MEMBER AGAINST THE PERIMETER OF SAID BENDING FORM, SAID SECOND CLAMP BEING ROTATABLE ABOUT THE AXIS OF SAID BENDING FORM AND MOVABLE IN A DIRECTION PARALLEL TO THE EXTENSION OF SAID MEMBER; MEANS FOR ROTATING SAID BENDING FORM AND SAID SECOND CLAMP ABOUT THE AXIS OF SAID BENDING FORM SO THAT A SECTION OF SAID ELONGATED MEMBER BETWEEN SAID FIRST AND SECOND POINTS IS PULLED AROUND SAID BENDING FORM THEREBY STRESSING SAID MEMBER BETWEEN SAID FIRST AND SECOND POINTS; AND MEANS FOR RESTRAINING MOTION OF SAID BENDING FORM AND SAID SECOND CLAMP IN THE DIRECTION PARALLEL TO THE AXIS OF SAID ELONGATED MEMBER IN SUCH A MANNER THAT THE MOTION OF SAID BENDING FORM AND SAID SECOND CLAMP TOWARD SAID FIRST CLAMP OCCURS ONLY UPON THE IMPOSITION OF A PREDETERMINED STRESS UPON THE MEMBER BETWEEN SAID FIRST AND SECOND POINTS.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |