US3845254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press-button panel arrangement for printed circuit card
Assignee: ALE International SAS
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Filing: 1973-09-07
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Granted: 1974-10-29
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Expires: 1993-09-07
Abstract
Abstract Press-button panel intended to set up a temporary galvanic connection between two terminals existing on a printed circuit card such as is found more particularly in telephone equipment, comprising a battery of press-buttons in a matrix configuration assembled separately and installed in a single part as a superstructure above the card.
Inventors
- 👤 G Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:42
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/023; H01H1/00; H01H1/12; H01H1/14; H01H1/20; H01H13/70
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
124 words
Press-button panel having a matrix configuration, comprising a printed circuit plate, a plurality of beam-shaped parts mounted in parallel on said printed circuit plate, a plurality of pushbutton assemblies mounted in each beam-shaped part, first and second resilient means in the form of elongated ribs, securing all of The ends of said beam-shaped parts on one side to one another and securing all the ends of the beam-shaped parts on the opposite side to one another, respectively, said ribs including projection means engaging peripheral notches on the said printed circuit plate securing said ribs to said printed circuit plate and a plurality of clips, said beam-shaped parts being provided with clipping devices engaged by said clips to secure said ribs to said beam-shaped parts.
Claim 2
Dependent Claim
124 words
Press-button panel having a matrix configuration, comprising a printed circuit plate, a plurality of beam-shaped parts mounted in parallel on said printed circuit plate, a plurality of pushbutton assemblies mounted in each beam-shaped part, first and second resilient means in the form of elongated ribs, securing all of The ends of said beam-shaped parts on one side to one another and securing all the ends of the beam-shaped parts on the opposite side to one another, respectively, said ribs including projection means engaging peripheral notches on the said printed circuit plate securing said ribs to said printed circuit plate and a plurality of clips, said beam-shaped parts being provided with clipping devices engaged by said clips to secure said ribs to said beam-shaped parts.
Claim 3
Dependent Claim
38 words
Press-button panel according to claim 1, characterized in that the said ribs are provided with a plurality of positioning holes, and further including positioning lugs carried by the ends of each beam and engaging in said positioning holes.
Claim 4
Dependent Claim
27 words
Press-button panel according to claim 1, characterized in that the said projection means comprises tabs made of a molded substance having two notches and a locking lobe.
Claim 5
Dependent Claim
73 words
Press-button panel according to claim 1, characterized in that said press-button assemblies comprise a control mechanism formed essentially by a rod extended by a rod end having a diameter less than that of the said rod and ending in an end boss on which is clamped a slightly truncated cone shaped fixing part provided with a rim on which a metallic cup acting as a mobile contact between two fixed contacts may bear.
Claim 6
Dependent Claim
49 words
Press-button panel according to claim 1, further including a plurality of indicators disposed on said printed circuit plate in at least one row adjacent a beam-shaped part, a cover disposed over said row of indicators, and means on said cover effecting engagement of said cover to said elongated ribs.
Claim 7
Dependent Claim
73 words
Press-button panel according to claim 5, characterized in that said press-button assemblies comprise a control mechanism formed essentially by a rod extended by a rod end having a diameter less than that of the said rod and ending in an end boss on which is clamped a slightly truncated cone shaped fixing part provided with a rim on which a metallic cup acting as a mobile contact between two fixed contacts may bear.
Claim 8
Dependent Claim
30 words
Press-button panel according to claim 6, wherein said press-button assemblies further comprise spring means engaging said beam-shaped part for biasing said rod into a neutral position within said beam-shaped part.
References Cited (Backward Citations)
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Cited
US3227820A
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US3377452A
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US3499515A
Cited
US3678424A
Cited
US3731014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-28 | 1978-04-29 | 1978-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-28 | 1982-04-29 | 1982-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-28 | 1986-04-29 | 1986-10-29 | $7700.00 | Window Closed / Lapsed |