US3271019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for an induction heating apparatus
Assignee: Ohio Crankshaft Co
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Filing: 1963-07-23
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Granted: 1966-09-06
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Expires: 1983-07-23
Abstract
No abstract record available.
Inventors
- 👤 Robert G Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:42
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
IN AN INDUCTION HEATING APPARATUS FOR PROGRESSIVELY HARDENING AN ELONGATED WORKPIECE HAVING A FIRST AND SECOND END, SAID APPARATUS INCLUDING A FIRST AND SECOND CENTER FOR LOCATING SAID WORKPIECE IN SAID APPARATUS WITH THE AXIS OF SAID WORKPIECE ASSUMING A DESIRED POSITION WITH RESPECT TO SAID INDUCTION HEATING APPARATUS MEANS FOR FORCING SAID CENTERS TOGETHER TO SECURE SAID WORKPIECE WITHIN SAID APPARATUS, A FIRST CLAMPING DEVICE ADJACENT SAID FIRST CENTER FOR HOLDING SAID FIRST END OF SAID WORKPIECE, A SECOND CLAMPING DEVICE ADJACENT SAID SECOND CENTER FOR HOLDING SAID SECOND END OF SAID WORKPIECE, SAID CLAMPING DEVICES BEING ROTATABLY MOUNTED WITH RESPECT TO SAID APPARATUS, AN INDUCTOR AND QUENCHING DEVICE POSITIONED ON SAID APPARATUS AND ENCIRCLING SAID WORKPIECE, A QUENCH PASSAGE ASSOCIATED WITH SAID DEVICE FOR QUENCHING SAID WORKPIECE AFTER SAID WORKPIECE HAS BEEN HEATED BY SAID DEVICE, MEANS FOR ROTATING SAID WORKPIECE ABOUT SAID AXIS AND MEANS FOR CAUSING RELATIVE MOVEMENT OF SAID WORKPIECE WITH RESPECT TO SAID INDUCTOR AND QUENCHING DEVICE WITH SAID
Claim 2
Dependent Claim
165 words
IN AN INDUCTION HEATING APPARATUS FOR PROGRESSIVELY HARDENING AN ELONGATED WORKPIECE HAVING A FIRST AND SECOND END, SAID APPARATUS INCLUDING A FIRST AND SECOND CENTER FOR LOCATING SAID WORKPIECE IN SAID APPARATUS WITH THE AXIS OF SAID WORKPIECE ASSUMING A DESIRED POSITION WITH RESPECT TO SAID INDUCTION HEATING APPARATUS MEANS FOR FORCING SAID CENTERS TOGETHER TO SECURE SAID WORKPIECE WITHIN SAID APPARATUS, A FIRST CLAMPING DEVICE ADJACENT SAID FIRST CENTER FOR HOLDING SAID FIRST END OF SAID WORKPIECE, A SECOND CLAMPING DEVICE ADJACENT SAID SECOND CENTER FOR HOLDING SAID SECOND END OF SAID WORKPIECE, SAID CLAMPING DEVICES BEING ROTATABLY MOUNTED WITH RESPECT TO SAID APPARATUS, AN INDUCTOR AND QUENCHING DEVICE POSITIONED ON SAID APPARATUS AND ENCIRCLING SAID WORKPIECE, A QUENCH PASSAGE ASSOCIATED WITH SAID DEVICE FOR QUENCHING SAID WORKPIECE AFTER SAID WORKPIECE HAS BEEN HEATED BY SAID DEVICE, MEANS FOR ROTATING SAID WORKPIECE ABOUT SAID AXIS AND MEANS FOR CAUSING RELATIVE MOVEMENT OF SAID WORKPIECE WITH RESPECT TO SAID INDUCTOR AND QUENCHING DEVICE WITH SAID
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |