US3303316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for electric welding
Assignee: Individual
•
Filing: 1964-02-19
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Granted: 1967-02-07
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Expires: 1984-02-19
Abstract
No abstract record available.
Inventors
- 👤 Bogosian Arda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:45
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
AN ELECTRIC SPOT WELDING APPARATUS HAVING IN COMBINATION, ROTATABLE MEANS HAVING A CAM AND A WELDING CURRENT INITATING MEMBER ROTATABLE TOGETHER WITH SAID ROTATABLE MEANS, MEANS OPERATED BY ROTATION OF SAID CAM WITH SAID ROTATABLE MEANS A SINGLE REVOLUTION TO APPLY A YIELDABLE STATIC PRESSURE TO AN ELECTRODE AND TO SUBSEQUENTLY APPLY IN TIMED SEQUENCE A MECHANICAL IMPACT BLOW TO SAID ELECTRODE FOLLOWED BY AN INCREASE IN YIELDABLE STATIC PRESSURE APPLIED TO THE ELECTRODE FOR A PREDETERMINED TIME AFTER IMPACT, MEANS OPERATED BY ROTATION OF SAID CURRENT INITIATING MEMBER TO INITIATE WELDING CURRENT, SAID CURRENT INITIATING MEMBER TO INITIATE WELDING CURANGULARLY LOCATED WITH RESPECT TO EACH OTHER SO THAT SAID CURRENT IS INITIATED IN TIMED SEQUENCE WITH THE APPLICATION OF SAID STATIC PRESSURE AND SAID IMPACT OCCURS IN TIMED SEQUENCE WITH INITIATION OF SAID CURRENT.
Claim 2
Dependent Claim
135 words
AN ELECTRIC SPOT WELDING APPARATUS HAVING IN COMBINATION, ROTATABLE MEANS HAVING A CAM AND A WELDING CURRENT INITATING MEMBER ROTATABLE TOGETHER WITH SAID ROTATABLE MEANS, MEANS OPERATED BY ROTATION OF SAID CAM WITH SAID ROTATABLE MEANS A SINGLE REVOLUTION TO APPLY A YIELDABLE STATIC PRESSURE TO AN ELECTRODE AND TO SUBSEQUENTLY APPLY IN TIMED SEQUENCE A MECHANICAL IMPACT BLOW TO SAID ELECTRODE FOLLOWED BY AN INCREASE IN YIELDABLE STATIC PRESSURE APPLIED TO THE ELECTRODE FOR A PREDETERMINED TIME AFTER IMPACT, MEANS OPERATED BY ROTATION OF SAID CURRENT INITIATING MEMBER TO INITIATE WELDING CURRENT, SAID CURRENT INITIATING MEMBER TO INITIATE WELDING CURANGULARLY LOCATED WITH RESPECT TO EACH OTHER SO THAT SAID CURRENT IS INITIATED IN TIMED SEQUENCE WITH THE APPLICATION OF SAID STATIC PRESSURE AND SAID IMPACT OCCURS IN TIMED SEQUENCE WITH INITIATION OF SAID CURRENT.
References Cited (Backward Citations)
US1861005A
Cited
US2312938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |