US5003431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insertion, extraction, and clamping apparatus for electrical modules
Assignee: Unisys Corp
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Filing: 1989-12-18
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Granted: 1991-03-26
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Expires: 2009-12-18
Abstract
Abstract An apparatus for moving a module in a guide channel includes levers which cooperate with cams associated therewith and contacting edges extending from the guide channels to apply forces for positioning the module. These forces are coupled to movable wedges, guided by wedges fixed to the module, which contact the walls of the guiding channels to clamp the module. Clamping forces are maintained by compressible elements such as Belleville washers or suitable springs coupled to the wedges fixed on the module.
Inventors
- 👤 John A. Imsdahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:37
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/14; H05K7/1401; H05K7/1402; H05K7/1404; H05K7/1409
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
101 words
An apparatus for inserting and extracting a module relative to a fixed position, the apparatus comprising: means for positionally guiding said module: at least one lever mounted on said module for positioning said module in said guiding means, said at least one lever containing first and second elongated slots and having a shaped outer surface; a first fixed guide pin positioned in said first elongated slot; a second fixed guide pin positioned to be in contact with said shaped outer surface; and means on said module coupled to said at least one lever for clamping said module in said guiding means.
Claim 2
Independent Claim
101 words
An apparatus for inserting and extracting a module relative to a fixed position, the apparatus comprising: means for positionally guiding said module: at least one lever mounted on said module for positioning said module in said guiding means, said at least one lever containing first and second elongated slots and having a shaped outer surface; a first fixed guide pin positioned in said first elongated slot; a second fixed guide pin positioned to be in contact with said shaped outer surface; and means on said module coupled to said at least one lever for clamping said module in said guiding means.
Claim 3
Dependent Claim
47 words
An apparatus in accordance with claim 1 wherein said module includes wedge clamp washers, and further including cam means pivotally positioned on said module to be in contact with said wedge clamp washers, said cam means having a guide pin movably positioned in said second elongated slot.
Claim 4
Dependent Claim
31 words
An apparatus in accordance with claim 2 wherein said guiding means includes lips extending from said guiding means and said at least one lever includes hook means for contacting said lips.
Claim 5
Dependent Claim
71 words
An apparatus in accordance with claim 3 wherein said clamping means includes: movable wedge means responsive to angular positions of said at least one lever for clamping said module in said guiding means; wedge means on said module for guiding said movable wedge means; and compressive means coupled to said wedge means and responsive to angular positions of said at least one lever for providing forces to said movable wedge means.
Claim 6
Dependent Claim
14 words
An apparatus in accordance with claim 4 wherein said compression means comprises Belleville washers.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-03-25 | 1994-09-24 | 1995-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-03-25 | 1998-09-24 | 1999-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-03-25 | 2002-09-24 | 2003-03-26 | $7700.00 | Window Closed / Lapsed |