Patent US3145756A successfully refreshed from Google Patents.
US3145756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Numerically controlled tube bending machine
Assignee: Baldwin Lima Hamilton Corp
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Filing: 1961-09-19
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Granted: 1964-08-25
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Expires: 1981-09-19
Abstract
No abstract record available.
Inventors
- 👤 Walter P Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:58
CPC Classifications
B; B21; B21D; B21D5/00; B21D5/004; B21D7/00; B21D7/12; G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/4093; G05B19/40931; G05B2219/00; G05B2219/30; G05B2219/45; G05B2219/45143; Y; Y02; Y02P; Y02P90/00; Y02P90/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
233 words
A NUMERICALLY CONTROLLED TUBE BENDING MACHINE COMPRISING A NUMERICAL POSITIONING CONTROL SYSTME INCLUDING MEANS FOR ACCEPTING NUMERICAL INTELLIGENCE RELATING TO THE LONGITUDINAL POSITION OF A BEND, THE ANGLE OF A BEND, THE RADIAL PLANE OF BEND, AND MEANS FOR TRANSLATING THE NUMERICAL INTELLIGENCE INTO CONTROL OUTPUTS, A BENDING HEAD, MEANS RESPONSIVE TO A CONTROL OUTPUT FROM SAID TRANSLATING MEANS FOR MOVING THE TUBE LONGITUDINALLY WITH RESPECT TO SAID BENDING HEAD, MEANS FOR SENSING THE LONGITUDINAL POSITION OF THE TUBE CONNECTED IN FEED-BACK RELATIONSHIP WITH SAID TRANSLATING MEANS, MEANS RESPONSIVE TO A CONTROL OUTPUT FROM SAID TRANSLATING MEANS FOR ROTATING THE TUBE RELATIVE TO THE BENDING HEAD, MEANS FOR SENSING THE ROTATIONAL POSITION OF THE TUBE CONNECTED IN FEED-BACK RELATIONSHIP WITH SAID TRANSLATING MEANS, SAID BENDING HEAD COMPRISING MEANS FOR GRIPPING THE TUBE ON ONE SIDE OF AN ADJACENT TO THE LONGITUDINAL BEND POSITION, A BENDING ARM INCLUDING MEANS FOR GRIPPING THE TUBE ON THE OPPOSITE SIDE OF AND ADJACENT TO THE LONGITUDINAL BEND POSITION FROM SAID ONE SIDE, MEANS RESPONSIVE TO A CONTROL OUTPUT FROM SAID TRANSLATING MEANS FOR ROTATING SAID BENDING ARM TO BEND THE TUBE, AND MEANS FOR SENSING THE ANGLE OF BEND OF THE TUBE CONNECTED IN FEED-BACK RELATIONSHIP WITH SAID TRANSLATING MEANS WHEREBY THE TUBE IS BENT AT A LONGITUDINAL POSITION, TO AN ANGLE AND IN A RADIAL PLANE DICTATED BY THE NUMERICAL INTELLIGENCE INSERTED INTO SAID CONTROL SYSTEM.
Claim 2
Dependent Claim
233 words
A NUMERICALLY CONTROLLED TUBE BENDING MACHINE COMPRISING A NUMERICAL POSITIONING CONTROL SYSTME INCLUDING MEANS FOR ACCEPTING NUMERICAL INTELLIGENCE RELATING TO THE LONGITUDINAL POSITION OF A BEND, THE ANGLE OF A BEND, THE RADIAL PLANE OF BEND, AND MEANS FOR TRANSLATING THE NUMERICAL INTELLIGENCE INTO CONTROL OUTPUTS, A BENDING HEAD, MEANS RESPONSIVE TO A CONTROL OUTPUT FROM SAID TRANSLATING MEANS FOR MOVING THE TUBE LONGITUDINALLY WITH RESPECT TO SAID BENDING HEAD, MEANS FOR SENSING THE LONGITUDINAL POSITION OF THE TUBE CONNECTED IN FEED-BACK RELATIONSHIP WITH SAID TRANSLATING MEANS, MEANS RESPONSIVE TO A CONTROL OUTPUT FROM SAID TRANSLATING MEANS FOR ROTATING THE TUBE RELATIVE TO THE BENDING HEAD, MEANS FOR SENSING THE ROTATIONAL POSITION OF THE TUBE CONNECTED IN FEED-BACK RELATIONSHIP WITH SAID TRANSLATING MEANS, SAID BENDING HEAD COMPRISING MEANS FOR GRIPPING THE TUBE ON ONE SIDE OF AN ADJACENT TO THE LONGITUDINAL BEND POSITION, A BENDING ARM INCLUDING MEANS FOR GRIPPING THE TUBE ON THE OPPOSITE SIDE OF AND ADJACENT TO THE LONGITUDINAL BEND POSITION FROM SAID ONE SIDE, MEANS RESPONSIVE TO A CONTROL OUTPUT FROM SAID TRANSLATING MEANS FOR ROTATING SAID BENDING ARM TO BEND THE TUBE, AND MEANS FOR SENSING THE ANGLE OF BEND OF THE TUBE CONNECTED IN FEED-BACK RELATIONSHIP WITH SAID TRANSLATING MEANS WHEREBY THE TUBE IS BENT AT A LONGITUDINAL POSITION, TO AN ANGLE AND IN A RADIAL PLANE DICTATED BY THE NUMERICAL INTELLIGENCE INSERTED INTO SAID CONTROL SYSTEM.
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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |