US5032689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
EMI/RFI shielding vent and method of use
Assignee: Parker Intangibles LLC
•
Filing: 1989-08-15
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Granted: 1991-07-16
•
Expires: 2009-08-15
Abstract
Abstract An EMI/RFI shielding panel assembly is provided which is lightweight and easily and economically manufactured. The panel assembly of the invention may comprise one or more hinged members which snap together to form a closed frame having a filter media panel disposed therein, or may alternately comprise an integral frame having a filter media panel disposed therein or attached to the surface thereof.
Inventors
- 👤 Brian S. Halligan
- 👤 Eivind L. Johansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:13
CPC Classifications
H; H05; H05K; H05K9/00; H05K9/0007; H05K9/0041; H05K7/00; H05K7/20; H05K7/20009; H05K7/20136; H05K7/20181; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002
Claims Analysis
Total Claims: 55
Claim 1
Independent Claim
117 words
A panel assembly disposed adjacent a vent opening in a shielded enclosure comprising: a an elongate member having two ends, a plurality of angular notches such that said member is jointed and may be folded to form a closed frame, and a gasket retaining means disposed lengthwise on said member; b. a resilient gasket having a plurality of angular notches at intervals such that the gasket may be folded in the same configuration as said frame and retained by said gasket retaining means; c. a corner fastening means which bridges the two ends of the member to secure the closed frame; and d. a conductive filter media panel disposed within said frame and retained by said gasket.
Claim 2
Dependent Claim
117 words
A panel assembly disposed adjacent a vent opening in a shielded enclosure comprising: a an elongate member having two ends, a plurality of angular notches such that said member is jointed and may be folded to form a closed frame, and a gasket retaining means disposed lengthwise on said member; b. a resilient gasket having a plurality of angular notches at intervals such that the gasket may be folded in the same configuration as said frame and retained by said gasket retaining means; c. a corner fastening means which bridges the two ends of the member to secure the closed frame; and d. a conductive filter media panel disposed within said frame and retained by said gasket.
Claim 3
Dependent Claim
22 words
The panel assembly of claim 1 wherein the member has three v-shaped notches such that the closed frame is square or rectangular.
Claim 4
Dependent Claim
19 words
The panel assembly of claim 1 wherein the gasket retaining means is a ridge disposed lengthwise on said member.
Claim 5
Dependent Claim
23 words
The panel assembly of claim 3 wherein the gasket has a u-shaped cross-section such that it may be fitted over said retaining ridge.
Claim 6
Dependent Claim
14 words
The panel assembly of claim 1 wherein said filter media is expanded metal mesh.
Claim 7
Dependent Claim
15 words
The panel assembly of claim 5 wherein said expanded metal mesh is expanded MONEL® metal.
Claim 8
Dependent Claim
15 words
The panel assembly of claim 1 wherein said filter media panel is a honeycomb structure.
Claim 9
Dependent Claim
18 words
The panel assembly of claim 1 further comprising a dust filter panel and a dust filter retaining means.
Claim 10
Dependent Claim
31 words
The panel assembly of claim 8 wherein said dust filter retaining means is a groove disposed lengthwise in the member in the plane perpendicular to the plane of the filter media.
Claim 11
Dependent Claim
19 words
The panel assembly of claim 1 further comprising a shim disposed between said gasket and said filter media panel.
Claim 12
Dependent Claim
23 words
The panel assembly of claim 1 further comprising a mounting means by which the panel assembly may be secured to a shielded enclosure.
Claim 13
Dependent Claim
34 words
The panel assembly of claim 11 wherein said mounting means comprises a plurality of holes through the frame, perpendicular to the plane of the filter media panel, through which fastening means may be engaged.
Claim 14
Dependent Claim
12 words
The panel assembly of claim 1 wherein the gasket is electrically conductive.
Claim 15
Dependent Claim
12 words
The panel assembly of claim 1 further comprising a gasket compression stop.
Claim 16
Dependent Claim
11 words
The panel assembly of claim 1 wherein the member is plastic.
Claim 17
Dependent Claim
11 words
The panel assembly of claim 1 wherein the member is aluminum.
Claim 18
Dependent Claim
118 words
A panel assembly disposed adjacent a vent opening in a shielded enclosure comprising: a. a plurality of elongate members, each having two ends, said members being fastened to each other at each end to form a closed frame, and having a gasket retaining means disposed adjacent the periphery of said closed frame;, b. a resilient gasket having a plurality of v-shaped notches at intervals such that the gasket may be folded in the same configuration as said frame and retained by said gasket retaining means; c. a corner fastening means which joins the ends of said members to secure the closed frame; and d. a conductive filter media panel disposed within said frame and retained by said gasket.
Claim 19
Dependent Claim
118 words
A panel assembly disposed adjacent a vent opening in a shielded enclosure comprising: a. a plurality of elongate members, each having two ends, said members being fastened to each other at each end to form a closed frame, and having a gasket retaining means disposed adjacent the periphery of said closed frame;, b. a resilient gasket having a plurality of v-shaped notches at intervals such that the gasket may be folded in the same configuration as said frame and retained by said gasket retaining means; c. a corner fastening means which joins the ends of said members to secure the closed frame; and d. a conductive filter media panel disposed within said frame and retained by said gasket.
Claim 20
Dependent Claim
36 words
The panel assembly of claim 17 wherein the frame is formed by two members, each member having v-shaped notches such that the members may be folded to form a closed frame which is square or rectangular.
Claim 21
Dependent Claim
20 words
The panel assembly of claim 17 wherein the gasket retaining means is a ridge disposed lengthwise on each said member.
Claim 22
Dependent Claim
23 words
The panel assembly of claim 19 wherein the gasket has a u-shaped cross-section such that it may be fitted over said retaining ridge.
Claim 23
Dependent Claim
14 words
The panel assembly of claim 17 wherein said filter media is expanded metal mesh.
Claim 24
Dependent Claim
15 words
The panel assembly of claim 21 wherein said expanded metal mesh is expanded MONEL® metal.
Claim 25
Dependent Claim
15 words
The panel assembly of claim 17 wherein said filter media panel is a honeycomb structure.
Claim 26
Dependent Claim
18 words
The panel assembly of claim 17 further comprising a dust filter panel and a dust filter retaining means.
Claim 27
Dependent Claim
33 words
The panel assembly of claim 24 wherein said dust filter retaining means is a groove disposed on the periphery of the frame in the plane perpendicular to the plane of the filter media.
Claim 28
Dependent Claim
19 words
The panel assembly of claim 17 further comprising a shim disposed between said gasket and said filter media panel.
Claim 29
Dependent Claim
23 words
The panel assembly of claim 17 further comprising a mounting means by which the panel assembly may be secured to a shielded enclosure.
Claim 30
Dependent Claim
34 words
The panel assembly of claim 27 wherein said mounting means comprises a plurality of holes through the frame, perpendicular to the plane of the filter media panel, through which fastening means may be engaged.
Claim 31
Dependent Claim
12 words
The panel assembly of claim 17 wherein the gasket is electrically conductive.
Claim 32
Dependent Claim
12 words
The panel assembly of claim 17 further comprising a gasket compression stop.
Claim 33
Dependent Claim
11 words
The panel assembly of claim 17 wherein the members are plastic.
Claim 34
Dependent Claim
11 words
The panel assembly of claim 17 wherein the members are aluminum.
Claim 35
Dependent Claim
31 words
A panel assembly disposed adjacent a vent opening in a shielded enclosure comprising: (a) an integral plastic frame; (b) an expanded metal mesh filter media panel attached to said integral frame.
Claim 36
Dependent Claim
31 words
A panel assembly disposed adjacent a vent opening in a shielded enclosure comprising: (a) an integral plastic frame; (b) an expanded metal mesh filter media panel attached to said integral frame.
Claim 37
Dependent Claim
55 words
A panel assembly disposed adjacent a vent opening in a shielded enclosure comprising: a. a non-conductive integral frame; b. a gasket retaining means disposed on a periphery of said frame; c. a resilient gasket retained by said gasket retaining means; and d. a filter media panel disposed within said frame and retained by said gasket.
Claim 38
Dependent Claim
55 words
A panel assembly disposed adjacent a vent opening in a shielded enclosure comprising: a. a non-conductive integral frame; b. a gasket retaining means disposed on a periphery of said frame; c. a resilient gasket retained by said gasket retaining means; and d. a filter media panel disposed within said frame and retained by said gasket.
Claim 39
Dependent Claim
11 words
The panel assembly of claim 34 wherein said frame is thermoplastic.
Claim 40
Dependent Claim
15 words
The panel assembly of claim 34 wherein said filter media panel is expanded metal mesh.
Claim 41
Dependent Claim
24 words
The panel assembly of claim 34 wherein the gasket retaining means is a ridge disposed on the periphery of one surface of the frame.
Claim 42
Dependent Claim
52 words
A panel assembly disposed adjacent a vent opening in a shielded enclosure comprising: a. an elongate member having two ends, a plurality of angular notches such that said member is jointed and may be folded to form a closed frame; b. a filter media panel attached to the periphery of said frame.
Claim 43
Dependent Claim
52 words
A panel assembly disposed adjacent a vent opening in a shielded enclosure comprising: a. an elongate member having two ends, a plurality of angular notches such that said member is jointed and may be folded to form a closed frame; b. a filter media panel attached to the periphery of said frame.
Claim 44
Dependent Claim
14 words
The panel assembly of claim 38 wherein said filter media is expanded metal mesh.
Claim 45
Independent Claim
141 words
A method of shielding an opening in an EMI/RFI shielded enclosure comprising the steps of: a. providing a shielded panel assembly comprising: i. a plurality of elongate members, each member having two ends, said ends being fastened so as to form a closed frame, and having a gasket retaining means disposed adjacent the periphery of said closed frame; ii. a resilient gasket having a plurality of v-shaped notches at intervals such that the gasket may be folded in the same configuration as said frame and retained by said gasket retaining means; iii. a corner fastening means which joins the ends of said members to secure the closed frame; and iv. a conductive filter media panel disposed within said frame and retained by said gasket; and b. securing said shielded panel assembly to a shielded enclosure adjacent an opening in said enclosure.
Claim 46
Independent Claim
141 words
A method of shielding an opening in an EMI/RFI shielded enclosure comprising the steps of: a. providing a shielded panel assembly comprising: i. a plurality of elongate members, each member having two ends, said ends being fastened so as to form a closed frame, and having a gasket retaining means disposed adjacent the periphery of said closed frame; ii. a resilient gasket having a plurality of v-shaped notches at intervals such that the gasket may be folded in the same configuration as said frame and retained by said gasket retaining means; iii. a corner fastening means which joins the ends of said members to secure the closed frame; and iv. a conductive filter media panel disposed within said frame and retained by said gasket; and b. securing said shielded panel assembly to a shielded enclosure adjacent an opening in said enclosure.
Claim 47
Independent Claim
57 words
A method of shielding an opening in an EMI/RFI shielded enclosure comprising the steps of: (a) providing a shielded panel assembly comprising: i. an integral plastic frame; ii. an expanded metal mesh filter media panel attached to said integral frame; and (b) securing said shielded panel assembly to a shielded enclosure adjacent an opening in said enclosure.
Claim 48
Independent Claim
57 words
A method of shielding an opening in an EMI/RFI shielded enclosure comprising the steps of: (a) providing a shielded panel assembly comprising: i. an integral plastic frame; ii. an expanded metal mesh filter media panel attached to said integral frame; and (b) securing said shielded panel assembly to a shielded enclosure adjacent an opening in said enclosure.
Claim 49
Independent Claim
81 words
A method of shielding an opening in an EMI/RFI shielded enclosure comprising the steps of: a. providing a shielded panel assembly comprising: i. a non-conductive integral frame; ii. a gasket retaining means disposed on a periphery of said frame; iii. a resilient gasket retained by said gasket retaining means; and iv. a filter media panel disposed within said frame and retained by said gasket; and b. securing said shielded panel assembly to a shielding enclosure adjacent an opening in said enclosure.
Claim 50
Independent Claim
81 words
A method of shielding an opening in an EMI/RFI shielded enclosure comprising the steps of: a. providing a shielded panel assembly comprising: i. a non-conductive integral frame; ii. a gasket retaining means disposed on a periphery of said frame; iii. a resilient gasket retained by said gasket retaining means; and iv. a filter media panel disposed within said frame and retained by said gasket; and b. securing said shielded panel assembly to a shielding enclosure adjacent an opening in said enclosure.
Claim 51
Dependent Claim
10 words
The method of claim 42 wherein said frame is thermoplastic.
Claim 52
Dependent Claim
14 words
The method of claim 42 wherein said filter media panel is expanded metal mesh.
Claim 53
Dependent Claim
23 words
The method of claim 42 where the gasket retaining means is a ridge disposed on the periphery of one surface of the frame.
Claim 54
Independent Claim
143 words
A method of shielding an opening in an EMI/RFI shielded enclosure comprising the steps of: a. providing a shielded panel assembly comprising: i. an elongate member having two ends, a plurality of angular notches such that said member is jointed and may be folded to form a closed frame, and a gasket retaining means disposed lengthwise on said member; ii. a resilient gasket having a plurality of angular notches at intervals such that the gasket may be folded in the same configuration as said frame and retained by said gasket retaining means; iii. a corner fastening means which bridges the two ends of the member to secure the closed frame; and iv. a conductive filter media panel disposed within said frame and retained by said gasket; and b. securing said shielded panel assembly to a shielded enclosure adjacent an opening in said enclosure.
Claim 55
Independent Claim
143 words
A method of shielding an opening in an EMI/RFI shielded enclosure comprising the steps of: a. providing a shielded panel assembly comprising: i. an elongate member having two ends, a plurality of angular notches such that said member is jointed and may be folded to form a closed frame, and a gasket retaining means disposed lengthwise on said member; ii. a resilient gasket having a plurality of angular notches at intervals such that the gasket may be folded in the same configuration as said frame and retained by said gasket retaining means; iii. a corner fastening means which bridges the two ends of the member to secure the closed frame; and iv. a conductive filter media panel disposed within said frame and retained by said gasket; and b. securing said shielded panel assembly to a shielded enclosure adjacent an opening in said enclosure.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-07-15 | 1995-01-14 | 1995-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-07-15 | 1999-01-14 | 1999-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-07-15 | 2003-01-14 | 2003-07-16 | $7700.00 | Window Closed / Lapsed |