[특허]Shielded computer printed circuit board retention apparatus

Shielded computer printed circuit board retention apparatus 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H05K-007/04 H05K-009/00
출원번호	US-0034057 (1993-03-22)
발명자 / 주소	Steffes Karl M. (Austin TX) Gandre Jerry D. (Austin TX)
출원인 / 주소	Dell USA, L.P. (Austin TX 02)
인용정보	피인용 횟수 : 32 인용 특허 : 0

초록 ▼

A printed circuit board is mounted on the inner side of a conductively coated plastic computer housing wall using a screwless retention and grounding system molded integrally with the housing wall and including a spaced series of upstanding hook plate portions extendable through a series of elongated slots in the circuit board body and positioned in spaced, facing relationships with corresponding contact tab portions. The board is releasably mounted by pressing it inwardly against the tabs in a manner causing the hook plates to extend through the board slots, and causing the board to depress a resilient latch member formed on the housing wall. The board is then slid along the tabs until the latch pops up and releasably locks the board to the contact tabs with the outer ends of the hook plates overlying the board. Small radiused outer ends of the hook plates bear against the board, along concentrated force areas, and function to press electrically conductive pads on the underside of the board against outer ends of the contact tabs. In molding the facing pairs of hook plates and contact tabs, small openings are formed therebetween in the housing wall. Pairs of opposing ribs on the housing wall form with the hook plate and contact tab pairs tunnels disposed around the housing wall openings and serving to substantially inhibit circuit board EMI/RFI emissions outwardly through the openings so that they need not be plugged or otherwise covered.

대표청구항 ▼

Apparatus for removably securing a printed circuit board to a computer housing wall, said apparatus comprising: a spaced series of openings formed through the circuit board; a spaced series of retention structures formed on a side of the housing wall and operative to removably hold the circuit board thereon in a parallel relationship therewith, each of said retention structures including: first projecting means against which a side of the circuit board may be placed when the circuit board is laterally moved toward said housing wall side to a first parallel position relative thereto, and second projecting means extendable through one of said circuit board openings in response to lateral movement of the circuit board to said first position thereof, said first and second projecting means functioning to cooperatively and releasably bear against spaced opposite side surface portions of the circuit board, in response to edgewise movement of the circuit board from said first position thereof to a second position, in a manner releasably holding the circuit board in said second position thereof; and cooperating means on said retention structures and the circuit board for facilitating an EMI/RFI grounding connection between the circuit board and the housing wall when the circuit board is in said second position thereof. Apparatus for removably securing a printed circuit board to a computer housing wall, said apparatus comprising: a spaced series of openings formed through the circuit board; a spaced series of retention structures formed on a side of the housing wall and operative to removably hold the circuit board thereon in a parallel relationship therewith, each of said retention structures including: first projecting means against which a side of the circuit board may be placed when the circuit board is laterally moved toward said housing wall side to a first parallel position relative thereto, and second projecting means extendable through one of said circuit board openings in response to lateral movement of the circuit board to said first position thereof, said first and second projecting means functioning to cooperatively and releasably bear against spaced opposite side surface portions of the circuit board, in response to edgewise movement of the circuit board from said first position thereof to a second position, in a manner releasably holding the circuit board in said second position thereof, each of said retention structures having an opening positioned between its first and second projecting means and extending through the housing wall, and further including projecting rib means formed on the housing wall and defining with the first and second projecting means a tunnel area communicating with the housing wall opening and serving to reduce EMI/RFI emissions from the secured circuit board outwardly through the housing wall opening.

이 특허를 인용한 특허 (32)

Jerome W. Parson, Apparatus and method for mounting a motherboard to a computer chassis.
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Hass Kenneth A. ; Pryal David M. ; Sands Steven L. ; Jensen Ralph, Expansion card retaining device.
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Hong Juehui ; Harris John H. ; Andersen Susan ; Johnson Chris P., Image-related device with printed-circuit assembly cantilevered from sheet-metal base & with clip fastenings.
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Holt George T., Locking personal computer expansion card guide.
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Hayakawa, Takako; Uefune, Kouki, Magnetic recording and reproducing apparatus with circuit board attachment device.
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Han,Shao Bo; Chen,Hsuan Tsung, Mounting apparatus for circuit board.
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Sands Steven L. (Austin TX) Holt George Thomas (Austin TX), Multilayer computer chassis having integral circuit board mounting and grounding structure.
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Taylor, Tillman Frazier; Mayer, David William; Roesner, Arlen Lee, Retention system for retaining assemblies within an electric device chassis.
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Bell James S. (Cedar Park TX) Khadem Gita (Austin TX) Vivio Joseph A. (Austin TX), System and method for providing uniform solder jiunt height for printed circuit boards and their assemblies.
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파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Shielded computer printed circuit board retention apparatus 원문보기

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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Shielded computer printed circuit board retention apparatus 원문보기

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