Patent US4626770A successfully refreshed from Google Patents.
Patent US4555744A successfully refreshed from Google Patents.
US4555744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage cabinet
Assignee: PLUG-IN STORAGE SYSTEMS Inc PO BOX 2-151 MILFORD CT 06460 A CT CORP
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Filing: 1984-08-28
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Granted: 1985-11-26
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Expires: 2004-08-28
Abstract
Abstract An electrically grounded storage cabinet for electrical circuit board modules is provided with multiple rectangular arrays of brackets for receiving at least one pair of conductive rectangular shelves. The shelves are slidably adjustable in elevation relative to each other on the brackets. A circuit board module is received between registered grooves in the lower surface of one shelf and the upper surface of the other shelf in each pair. The modules are grounded through the shelves, supporting brackets, and cabinet walls to preclude damage to the modules from static electricity discharges and to provide a controlled discharge of any charge remaining in circuit board components after removal from service or any incoming charge from personnel or the environment.
Inventors
- 👤 Ralf P. Maroney
- 👤 Gregory A. Fishkind
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:34
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/18; H05K7/183
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
134 words
A storage cabinet for circuit board modules comprising: a housing; a plurality of electrically conductive brackets extending longitudinally in spaced relation in said housing, each of said brackets including a surface connected to said housing, a longitudinal slot and a hollow interior behind said slot, at least one pair of shelves of conductive material slidably mounted for adjustable movement relative to said brackets and each other in each of said slots, each of said shelves including a series of grooves extending substantially perpendicular to said brackets on the top and bottom surface of each of said shelves, the grooves on each adjacent pair of shelves slidably disposed on said brackets being in registration with each other for receiving a circuit board module therebetween, and means attached to said cabinet for electrically grounding the cabinet.
Claim 2
Dependent Claim
134 words
A storage cabinet for circuit board modules comprising: a housing; a plurality of electrically conductive brackets extending longitudinally in spaced relation in said housing, each of said brackets including a surface connected to said housing, a longitudinal slot and a hollow interior behind said slot, at least one pair of shelves of conductive material slidably mounted for adjustable movement relative to said brackets and each other in each of said slots, each of said shelves including a series of grooves extending substantially perpendicular to said brackets on the top and bottom surface of each of said shelves, the grooves on each adjacent pair of shelves slidably disposed on said brackets being in registration with each other for receiving a circuit board module therebetween, and means attached to said cabinet for electrically grounding the cabinet.
Claim 3
Dependent Claim
17 words
The storage cabinet of claim 1 wherein each of said shelves are formed from conductive plastic material.
Claim 4
Dependent Claim
46 words
The storage cabinet of claim 1 comprising at least four of said brackets arranged in a rectangular array wherein the longitudinal slot in at least one of said brackets is adjustable towards and away from the longitudinal slot in an adjacent bracket in said rectangular array.
Claim 5
Dependent Claim
18 words
The storage cabinet of claim 1 including a plurality of rectangular arrays of said brackets in said housing.
Claim 6
Dependent Claim
20 words
The storage cabinet of claim 1 wherein said housing is closed by at least one pair of hinged, bi-fold doors.
Claim 7
Dependent Claim
21 words
The storage cabinet of claim 1 including means attached to said cabinet for leveling the housing relative to a horizontal surface.
Claim 8
Dependent Claim
42 words
The storage cabinet of claim 1 comprising at least four of said brackets arranged in a rectangular array wherein the longitudinal slots in at least one pair of adjacent brackets in said rectangular array of brackets are oriented perpendicular to each other.
Claim 9
Dependent Claim
42 words
The storage cabinet of claim 1 wherein each of said shelves is substantially rectangular and includes an upright tab at each corner thereof, and clamp means received by each tab for securing each tab within the interior of one of said brackets.
Claim 10
Dependent Claim
34 words
The storage cabinet of claim 8 wherein said clamp means includes an electrically conductive rotatable plate having sloping side edges adapted to contact a surface of a bracket behind said slot in said bracket.
Claim 11
Dependent Claim
74 words
The storage cabinet of claim 7 wherein an adjacent pair of said brackets in said rectangular array are substantially C-shaped in cross-section, and the remaining pair of said brackets in said rectangular array each include at least one pair of L-shaped members in cross-section whose longer legs are overlapped and secured together, one of the pair of overlapped L-shaped members in said one pair of remaining brackets being slidably adjustable relative to each other.
Claim 12
Dependent Claim
72 words
The storage cabinet of claim 7 wherein an adjacent pair of said brackets in said rectangular array are substantially C-shaped in cross-section, and the remaining pair of said brackets in said rectangular array include two pairs of L-shaped members in cross-section whose longer legs are slidably adjustably overlapped and secured together in spaced relation, and a pair of substantially U-shaped members in cross-section having their bight portion secured together in spaced relation.
Claim 13
Dependent Claim
42 words
The storage cabinet of claim 10 wherein each of said shelves is substantially rectangular and includes an upright tab at each corner thereof, and clamp means received by each tab for securing each tab within the interior of one of said brackets.
Claim 14
Dependent Claim
34 words
The storage cabinet of claim 12 wherein said clamp means includes an electrically conductive rotatable plate having sloping side edges adapted to contact a surface of a bracket behind said slot in said bracket.
Claim 15
Dependent Claim
42 words
The storage cabinet of claim 11 wherein each of said shelves is substantially rectangular and includes an upright tab at each corner thereof, and clamp means received by each tab for securing each tab within the interior of one of said brackets.
Claim 16
Dependent Claim
34 words
The storage cabinet of claim 14 wherein said clamp means includes an electrically conductive rotatable plate having sloping side edges adapted to contact a surface of a bracket behind said slot in said bracket.
Claim 17
Dependent Claim
35 words
The storage cabinet of claim 1 including means adapted to be removably attached to said cabinet for electrically grounding a person removing or inserting a circuit board module from between a pair of said shelves.
Claim 18
Dependent Claim
40 words
The storage cabinet of claim 16 wherein said removably attachable means includes an electrical connection on said housing, and a conductive wrist band for securement to the person adapted to be electrically attached to the electrical connection on said housing.
Claim 19
Dependent Claim
24 words
The storage cabinet of claim 17 wherein said wrist band is electrically attached to the electrical connection on said housing by an alligator clip.
Claim 20
Dependent Claim
23 words
The storage cabinet of claim 18 wherein said wrist band is electrically attached to the electrical connection on said housing by a plug.
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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) | 1988-11-25 | 1989-05-27 | 1989-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-11-25 | 1993-05-27 | 1993-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-11-25 | 1997-05-27 | 1997-11-26 | $7700.00 | Window Closed / Lapsed |