US4089043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frame for printed circuit cards
Assignee: Telemecanique SA
•
Filing: 1976-10-05
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Granted: 1978-05-09
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Expires: 1996-10-05
Abstract
Abstract Chassis comprising cross members joined by slides intended to hold printed circuit boards. The end of the slides is shaped to engage in, and be centered between the arms of an extruded section, the cross-section of which resembles a spring clamp.
Inventors
- 👤 Gilbert Fraboni
- 👤 Jean Neyroud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:58
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/14; H05K7/1417; H05K7/1418
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
146 words
A frame assembly for printed circuit boards comprising: two lateral walls; two pairs of parallel longitudinally extending metallic cross-members mounted between said lateral walls at right angles therewith and a plurality of transverse guide members supported by said cross-members, each of said cross-members having two substantially parallel resilient arms each provided at one end with a longitudinally extending bead, the beads of the said two arms facing one another and a common wall joining the said two arms at the opposite ends thereof and, provided with a plurality of regularly distributed openings, each of said guide members having at least at one end thereof, an extension adapted to enter one of said openings, and two inclined surface portions, at least one of said surface portions being provided with a longitudinally extending groove arranged for engaging on one of said beads, when the extension enters said opening.
Claim 2
Dependent Claim
146 words
A frame assembly for printed circuit boards comprising: two lateral walls; two pairs of parallel longitudinally extending metallic cross-members mounted between said lateral walls at right angles therewith and a plurality of transverse guide members supported by said cross-members, each of said cross-members having two substantially parallel resilient arms each provided at one end with a longitudinally extending bead, the beads of the said two arms facing one another and a common wall joining the said two arms at the opposite ends thereof and, provided with a plurality of regularly distributed openings, each of said guide members having at least at one end thereof, an extension adapted to enter one of said openings, and two inclined surface portions, at least one of said surface portions being provided with a longitudinally extending groove arranged for engaging on one of said beads, when the extension enters said opening.
Claim 3
Dependent Claim
24 words
A frame according to claim 1, wherein said parallel arms and said common wall partially encompass at least one open cylindrical longitudinally extending channel.
References Cited (Backward Citations)
DE1197151B
Cited
US3838777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-05-08 | 1981-11-07 | 1982-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-08 | 1985-11-07 | 1986-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-08 | 1989-11-07 | 1990-05-09 | $7700.00 | Window Closed / Lapsed |