US4988577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printed circuit board stiffener
Assignee: BUSSCO ENGINEERING Inc 119 STANDARD STREET EL SEGUNDO CA 90245 A CORP OF CA
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Filing: 1989-06-08
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Granted: 1991-01-29
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Expires: 2009-06-08
Abstract
Abstract A stiffener for a printed circuit board which comprises an elongated metallic electrically conductive bar. Extending from the bar are a plurality of spaced apart pins with these pins being in longitudinal alignment. Each pin is constructed to facilitate physical deformation such as by including a through opening within the body of the pin or with the pin including notched-out areas in the side walls of the pin. Upon the pin incurring a sufficiently powerful striking force, the pin will deform and expand laterally.
Inventors
- 👤 John A. Jamieson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:02
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/0271; H05K1/18; H05K2201/00; H05K2201/20; H05K2201/2009; Y; Y10; Y10S; Y10S428/00; Y10S428/901; Y10T; Y10T428/00; Y10T428/12; Y10T428/12201; Y10T428/12361; Y10T428/24; Y10T428/24273; Y10T428/24298; Y10T428/24777
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
109 words
A printed circuit board stiffener comprising: an elongated bar, said elongated bar being rigid, said elongated bar being narrow; a plurality of pins integrally connected to said elongated bar, said pins being spaced apart and extending outwardly from said elongated bar, each said pin adapted to be inserted within a close conforming hole formed within a printed circuit board, each said pin including frangible means, said frangible means permitting the deforming of each said pinion application of a sufficiently powerful striking force causing collapsing and lateral expansion of each said pin; and said frangible means including a plurality of notches formed within the side walls of each said pin.
Claim 2
Dependent Claim
109 words
A printed circuit board stiffener comprising: an elongated bar, said elongated bar being rigid, said elongated bar being narrow; a plurality of pins integrally connected to said elongated bar, said pins being spaced apart and extending outwardly from said elongated bar, each said pin adapted to be inserted within a close conforming hole formed within a printed circuit board, each said pin including frangible means, said frangible means permitting the deforming of each said pinion application of a sufficiently powerful striking force causing collapsing and lateral expansion of each said pin; and said frangible means including a plurality of notches formed within the side walls of each said pin.
Claim 3
Dependent Claim
17 words
The printed circuit boards stiffener as defined in claim 8 wherein: said elongated bar being electrically conductive.
Claim 4
Dependent Claim
16 words
'The printed circuit boards stiffener as defined in claim 2 wherein: each said pin being identical.
Claim 5
Dependent Claim
43 words
The printed circuit board stiffener as defined in claim 1 wherein: each said pin including a shoulder, said shoulder being adapted to abut against the surface of the printed circuit board for correct positioning of the printed circuit board relative to said pins.
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) | 1994-01-28 | 1994-07-30 | 1995-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-01-28 | 1998-07-30 | 1999-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-01-28 | 2002-07-30 | 2003-01-29 | $7700.00 | Window Closed / Lapsed |