US4467242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color selection electrode mounting structure having an off-set washer
Assignee: RCA Licensing Corp
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Filing: 1982-10-18
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Granted: 1984-08-21
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Expires: 2002-10-18
Abstract
Abstract A cathode ray tube includes a faceplate panel with a plurality of electrode support studs distributed about and attached to the panel. A color selection electrode having a plurality of support springs is disposed within the panel. Each of the support springs comprises a strap-like element having a proximal end secured to the electrode and a distal end spaced from the electrode. A washer-like element is located between the panel and the distal end of at least one of the strap-like elements. The washer-like element has a frustoconically-shaped portion with an aperture therein for snugly receiving one of the studs. The base portion of the washer-like element is substantially flat and is permanently secured to the strap-like element near its distal end.
Inventors
- 👤 Leonard P. Wilbur, Jr.
- 👤 Myron H. Wardell, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:53
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/06; H01J29/07; H01J29/073
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
141 words
In a cathode ray tube of the type including a faceplate panel, a plurality of electrode support studs distributed about and attached to said panel, and a color selection electrode including a plurality of support springs, each of said support springs comprising a strap-like element having a proximal end secured to said electrode and a distal end spaced from said electrode, and a washer-like element located between said panel and said distal end of at least one of said strap-like elements, said washer-like element having an aperture therein for snugly receiving one of said studs, the improvement comprising said washer-like element having a substantially flat base portion and a frustoconically shaped portion extending above said base portion, said frustoconically shaped portion being provided with said aperture, said washer-like element having a generally off-set shape to facilitate attachment to said strap-like element.
Claim 2
Dependent Claim
141 words
In a cathode ray tube of the type including a faceplate panel, a plurality of electrode support studs distributed about and attached to said panel, and a color selection electrode including a plurality of support springs, each of said support springs comprising a strap-like element having a proximal end secured to said electrode and a distal end spaced from said electrode, and a washer-like element located between said panel and said distal end of at least one of said strap-like elements, said washer-like element having an aperture therein for snugly receiving one of said studs, the improvement comprising said washer-like element having a substantially flat base portion and a frustoconically shaped portion extending above said base portion, said frustoconically shaped portion being provided with said aperture, said washer-like element having a generally off-set shape to facilitate attachment to said strap-like element.
Claim 3
Dependent Claim
51 words
The cathode ray tube as described in claim 1, wherein said strap-like element having said washer-like element attached thereto further includes at least one projection formed therein adjacent to said distal end, said projections being directed outwardly toward said washer-like element to facilitate the permanent securing thereof to said strap-like element.
Claim 4
Dependent Claim
46 words
The cathode ray tube as in claim 1, wherein said washer-like element includes at least one projection formed in the base thereof, said projections extending opposite to said frustoconically shaped stud engaging portion to facilitate the permanent securing of said washer-like element to said strap-like element.
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) | 1987-08-21 | 1988-02-20 | 1988-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-08-21 | 1992-02-20 | 1992-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-08-21 | 1996-02-20 | 1996-08-21 | $7700.00 | Window Closed / Lapsed |