Patent US4726636A successfully refreshed from Google Patents.
US4726636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cover for rack cabinets, particularly for data processing equipment
Assignee: Wincor Nixdorf International GmbH
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Filing: 1986-07-24
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Granted: 1988-02-23
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Expires: 2006-07-24
Abstract
Abstract A planar cover for rack or upright cabinets having quadrangular hollow tube framing is provided with flanges at three of the sides and a rounded section at its front side carrying a further flange for engaging tabs extending from a front panel or cover of the cabinet.
Inventors
- 👤 Ulrich Voigt
- 👤 Leopold Hoer
- 👤 Werner Stoebrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:06
CPC Classifications
A; A47; A47B; A47B47/00; A47B47/02; A47B47/03
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
143 words
A cover for a quadrangular hollow tube frame of upper, lower, front and rear tubes on a cabinet of a radio frequency sealed cabinet including a mounting plate, comprising: a plurality of flexible tabs extending from said mounting plate perpendicular to said mounting plate in a row adjacent said front tube of said frame; a planar cover panel comprising four sides; a first of said sides including a rounded section and a first flange at the distal end of said rounded section extending parallel to said cover for engaging over said tabs; second, third and fourth ones of said sides each including a respective flexible flange extending generally perpendicular to said planar cover panel for engaging over said upper, lower and rear tubes causing flexing of said flanges; and fastening means for securing said flange of said fourth side to said rear tube.
Claim 2
Dependent Claim
143 words
A cover for a quadrangular hollow tube frame of upper, lower, front and rear tubes on a cabinet of a radio frequency sealed cabinet including a mounting plate, comprising: a plurality of flexible tabs extending from said mounting plate perpendicular to said mounting plate in a row adjacent said front tube of said frame; a planar cover panel comprising four sides; a first of said sides including a rounded section and a first flange at the distal end of said rounded section extending parallel to said cover for engaging over said tabs; second, third and fourth ones of said sides each including a respective flexible flange extending generally perpendicular to said planar cover panel for engaging over said upper, lower and rear tubes causing flexing of said flanges; and fastening means for securing said flange of said fourth side to said rear tube.
Claim 3
Dependent Claim
20 words
The structure of claim 1, wherein: said flanges of said second and third sides are multiply slotted and slightly pre-stressed.
Claim 4
Dependent Claim
143 words
A cover for a quadrangular frame of upper, lower, front and rear frame members on a cabinet side of a radio frequency sealed cabinet including a mounting plate, comprising: a plurality of flexible tabs extending from said mounting plate perpendicular to said mounting plate in a row adjacent said front frame member; a planar cover panel comprising four sides; a first of said sides including a rounded section and a first flange at the distal end of said mounted section extending parallel to said cover panel for engaging over said tabs; second, third and fourth ones of said sides each including a respective flexible flange extending generally perpendicular to said cover panel for engaging over said upper, lower and rear frame members causing flexing of said flanges; and fastening means for securing said flange of said fourth side to said rear frame member.
Claim 5
Dependent Claim
143 words
A cover for a quadrangular frame of upper, lower, front and rear frame members on a cabinet side of a radio frequency sealed cabinet including a mounting plate, comprising: a plurality of flexible tabs extending from said mounting plate perpendicular to said mounting plate in a row adjacent said front frame member; a planar cover panel comprising four sides; a first of said sides including a rounded section and a first flange at the distal end of said mounted section extending parallel to said cover panel for engaging over said tabs; second, third and fourth ones of said sides each including a respective flexible flange extending generally perpendicular to said cover panel for engaging over said upper, lower and rear frame members causing flexing of said flanges; and fastening means for securing said flange of said fourth side to said rear frame member.
Claim 6
Dependent Claim
20 words
The structure of claim 3, wherein: said flanges of said second and third sides are multiply slotted and slightly pre-stressed.
References Cited (Backward Citations)
US2757059A
Cited
US3365535A
Cited
US3736035A
Cited
US4206956A
Cited
US4428482A
Cited
US4572597A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-02-22 | 1991-08-24 | 1992-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-02-22 | 1995-08-24 | 1996-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-02-22 | 1999-08-24 | 2000-02-23 | $7700.00 | Window Closed / Lapsed |