Patent US3239644A successfully refreshed from Google Patents.
US3239644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding apparatus
Assignee: NYBORG
•
Filing: 1963-08-12
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Granted: 1966-03-08
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Expires: 1983-08-12
Abstract
No abstract record available.
Inventors
- 👤 Meredith M Nyborg
- 👤 Bell Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:15
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/10; B23K11/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
A SEAM WELDING APPARATUS FOR SUCCESSIVELY WELDING A WORKPIECE COMPRISING, IN COMBINATION: A WELD HEAD ASSEMBLY FOR MOVING A WELDING ELECTRODE; A WELDING CURRENT POWER SUPPLY FOR PASSING WELDING CURRENT TO SAID HEAD ASSEMBLY; A HOLDING COLLET AND INDEXING UNIT FOR HOLDING A WORKPIECE IN POSITION TO BE ENGAGED BY SAID WELDING ELECTRODE AND INCLUDING MEANS FOR ROTATING SAID WORKPIECE THROUGH A DISCRETE CIRCUMFERENTIAL DISTANCE; AND CONTROL MEANS CONNECTED TO SAID WELD HEAD ASSEMBLY, WELDING CURRENT POWER SUPPLY, AND HOLDING COLLET AND INDEXING UNIT FOR OPERATING THE SAME IN A SEQUENTIAL CYCLE IN WHICH SAID WELDING ELECTRODE ENGAGES SAID WORKPIECE, WELDING CURRENT IS PASSED THERETHROUGH, SAID WELDING ELECTRODE IS MOVED AWAY FROM SAID WORKPIECE, AND SAID WORKPIECE IS ROTATED BY SAID HOLDING COLLET AND INDEXING UNIT THROUGH SAID DISCRETE CIRCUMFERENTIAL DISTANCE SAID CONTROL MEANS INCLUDING SELECTIVE SWITCH MEANS, SAID CONTROL MEANS AUTOMATICALLY COMPLETING ONLY ONE CYCLE AND THEN TERMINATING OPERATION OF SAID APPARATUS WHEN SAID SELECTOR SWITCH MEANS IS IN ONE POSITION AND SAID CONTROL MEANS AUTOMATICALLY REPEATING SAID CYCLE UNIT SAID HOLDING COLLET HAS BEEN ROTATED THROUGH 360 DEGREES AND THEN TERMINATING OPERATION OF SAID APPARATUS WHEN SAID SELECTIVE SWITCH IS IN ANOTHER POSITION.
Claim 2
Dependent Claim
195 words
A SEAM WELDING APPARATUS FOR SUCCESSIVELY WELDING A WORKPIECE COMPRISING, IN COMBINATION: A WELD HEAD ASSEMBLY FOR MOVING A WELDING ELECTRODE; A WELDING CURRENT POWER SUPPLY FOR PASSING WELDING CURRENT TO SAID HEAD ASSEMBLY; A HOLDING COLLET AND INDEXING UNIT FOR HOLDING A WORKPIECE IN POSITION TO BE ENGAGED BY SAID WELDING ELECTRODE AND INCLUDING MEANS FOR ROTATING SAID WORKPIECE THROUGH A DISCRETE CIRCUMFERENTIAL DISTANCE; AND CONTROL MEANS CONNECTED TO SAID WELD HEAD ASSEMBLY, WELDING CURRENT POWER SUPPLY, AND HOLDING COLLET AND INDEXING UNIT FOR OPERATING THE SAME IN A SEQUENTIAL CYCLE IN WHICH SAID WELDING ELECTRODE ENGAGES SAID WORKPIECE, WELDING CURRENT IS PASSED THERETHROUGH, SAID WELDING ELECTRODE IS MOVED AWAY FROM SAID WORKPIECE, AND SAID WORKPIECE IS ROTATED BY SAID HOLDING COLLET AND INDEXING UNIT THROUGH SAID DISCRETE CIRCUMFERENTIAL DISTANCE SAID CONTROL MEANS INCLUDING SELECTIVE SWITCH MEANS, SAID CONTROL MEANS AUTOMATICALLY COMPLETING ONLY ONE CYCLE AND THEN TERMINATING OPERATION OF SAID APPARATUS WHEN SAID SELECTOR SWITCH MEANS IS IN ONE POSITION AND SAID CONTROL MEANS AUTOMATICALLY REPEATING SAID CYCLE UNIT SAID HOLDING COLLET HAS BEEN ROTATED THROUGH 360 DEGREES AND THEN TERMINATING OPERATION OF SAID APPARATUS WHEN SAID SELECTIVE SWITCH IS IN ANOTHER POSITION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |