US3340035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode-ray tube manufacturing apparatus
Assignee: Rauland Borg Corp
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Filing: 1964-09-28
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Granted: 1967-09-05
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Expires: 1984-09-28
Abstract
No abstract record available.
Inventors
- 👤 Thaddeus J Hajduk
- 👤 Kowalski Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:14
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/18; H01J2209/00; H01J2209/18; H01J2209/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
APPARATUS FOR MAKING A THREE-GUN ASSEMBLY FOR A CATHODE-RAY TUBE INDIVIDUALLY INCLUDING CYLINDRICAL ELECTRODES EACH OF WHICH HAS A PAIR OF MOUNTING STRAPS ANGULARLY SPACED APPROXIMATELY 120 DEGREES ON THE EXTERNAL PERIPHERY THEREOF, SAID APPARATUS COMPRISING: A WORKHOLDER INCLUDING THREE MANDRELS POSITIONED AT THE APICES OF AN EQUILATERAL TRIANGLE FOR INDIVIDUALLY SUPPORTING THE ELECTRODES AND INTERPOSED SPACING ELEMENTS OF EACH OF SAID GUNS TO ESTABLISH THERFOR A PRESELECTED ELECTRODE ARRAY WITH PREDETERMINED INTERELECTRODE SPACINGS AND WITH SAID MOUNTING STRAPS OF EACH OF SAID GUNS IN SUBSTANTIAL ALIGMENT AND IN APPROXIMATE PARALLEL RELATION TO STRAPS OF THE REMAINING TWO GUNS; THREE BEAD HOLDERS FOR INDIVIDUALLY RELEASABLY HOLDING AN ELONGATED BEADING ELEMENT OF INSULATING MATERIAL FOR MOVEMENT BETWEEN A HEATING POSITION AND A BEADING POSITION; MEANS FOR HEATING ONE SURFACE OF EACH OF SAID BEADING ELEMENTS TO A SOFTENED CONDITION; AND MEANS FOR SIMULTANEOUSLY DISPLACING EACH OF SAID BEAD HOLDERS FROM ITS HEATING POSITION TO ITS BEADING POSITION TO DRIVE SAID STRAPS OF TWO OF SAID GUNS INTO EACH OF SAID BEADING ELEMENTS AND FOR RETRACTING EACH OF SAID BEAD HOLDERS FROM ITS BEADING POSITION AFTER A PREDETERMINED COOLING PERIOD.
Claim 2
Dependent Claim
188 words
APPARATUS FOR MAKING A THREE-GUN ASSEMBLY FOR A CATHODE-RAY TUBE INDIVIDUALLY INCLUDING CYLINDRICAL ELECTRODES EACH OF WHICH HAS A PAIR OF MOUNTING STRAPS ANGULARLY SPACED APPROXIMATELY 120 DEGREES ON THE EXTERNAL PERIPHERY THEREOF, SAID APPARATUS COMPRISING: A WORKHOLDER INCLUDING THREE MANDRELS POSITIONED AT THE APICES OF AN EQUILATERAL TRIANGLE FOR INDIVIDUALLY SUPPORTING THE ELECTRODES AND INTERPOSED SPACING ELEMENTS OF EACH OF SAID GUNS TO ESTABLISH THERFOR A PRESELECTED ELECTRODE ARRAY WITH PREDETERMINED INTERELECTRODE SPACINGS AND WITH SAID MOUNTING STRAPS OF EACH OF SAID GUNS IN SUBSTANTIAL ALIGMENT AND IN APPROXIMATE PARALLEL RELATION TO STRAPS OF THE REMAINING TWO GUNS; THREE BEAD HOLDERS FOR INDIVIDUALLY RELEASABLY HOLDING AN ELONGATED BEADING ELEMENT OF INSULATING MATERIAL FOR MOVEMENT BETWEEN A HEATING POSITION AND A BEADING POSITION; MEANS FOR HEATING ONE SURFACE OF EACH OF SAID BEADING ELEMENTS TO A SOFTENED CONDITION; AND MEANS FOR SIMULTANEOUSLY DISPLACING EACH OF SAID BEAD HOLDERS FROM ITS HEATING POSITION TO ITS BEADING POSITION TO DRIVE SAID STRAPS OF TWO OF SAID GUNS INTO EACH OF SAID BEADING ELEMENTS AND FOR RETRACTING EACH OF SAID BEAD HOLDERS FROM ITS BEADING POSITION AFTER A PREDETERMINED COOLING PERIOD.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |