US3108180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding electrode mouthpiece
Assignee: Pullmax AB
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Filing: 1961-12-13
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Granted: 1963-10-22
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Expires: 1981-12-13
Abstract
No abstract record available.
Inventors
- 👤 Linnander Carl-Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:09
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/12; B23K9/122; B23K9/123
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A WELDING ELECTRODE NOZZLE COMPRISING A TUBULAR BODY, BRACING JAWS PROVIDED SAID BODY AND FORMING A GUIDE AND ELECTRICAL CONTACTS FOR THE WELDING ELECTRODE, AT LEAST ONE JAW BEING LATERALLY ADJUSTABLE AGAINST THE OTHER, MEANS FOR TRANSFORMING A LATERAL CONTACT PRESSURE TO THE ADJUSTABLE JAW CONSISTING OF ROWS OF BALLS ARRANGED IN AXIALLY EXTEDNING GROOVES PIVOTED IN THE WALL OF SAID TUBULAR BODY, SAID BALLS EACH HAVING DIAMETERS LESS THAN THE TRANSVERSE DIAMETER OF SAID GROOVES AND THE DIAMETERS OF TWO ADJACENT BALLS BEING GREATER THAN THE TRANSVERSE DIAMETER OF SAID GROOVES AND SPRING ACTUATED MEANS FOR AXIALLY BIASING THE BALLS TO PRODUCE LATERAL PRESSURE ON THE JAW AT POINTS OF CONTACT BETWEEN THE BALLS AND THE JAW AND EVENLY DISTRIBUTED ALONG THE LENGTH THEREOF.
Claim 2
Dependent Claim
125 words
A WELDING ELECTRODE NOZZLE COMPRISING A TUBULAR BODY, BRACING JAWS PROVIDED SAID BODY AND FORMING A GUIDE AND ELECTRICAL CONTACTS FOR THE WELDING ELECTRODE, AT LEAST ONE JAW BEING LATERALLY ADJUSTABLE AGAINST THE OTHER, MEANS FOR TRANSFORMING A LATERAL CONTACT PRESSURE TO THE ADJUSTABLE JAW CONSISTING OF ROWS OF BALLS ARRANGED IN AXIALLY EXTEDNING GROOVES PIVOTED IN THE WALL OF SAID TUBULAR BODY, SAID BALLS EACH HAVING DIAMETERS LESS THAN THE TRANSVERSE DIAMETER OF SAID GROOVES AND THE DIAMETERS OF TWO ADJACENT BALLS BEING GREATER THAN THE TRANSVERSE DIAMETER OF SAID GROOVES AND SPRING ACTUATED MEANS FOR AXIALLY BIASING THE BALLS TO PRODUCE LATERAL PRESSURE ON THE JAW AT POINTS OF CONTACT BETWEEN THE BALLS AND THE JAW AND EVENLY DISTRIBUTED ALONG THE LENGTH THEREOF.
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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |