IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0341798
(2003-01-14)
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발명자
/ 주소 |
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출원인 / 주소 |
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인용정보 |
피인용 횟수 :
3 인용 특허 :
7 |
초록
▼
An insertion delay subassembly includes a support member which is configured to mount to the circuit board, and a lever coupled to the support member. The lever is configured to reside in a first orientation relative to the support member when the circuit board initially engages with a card cage, an
An insertion delay subassembly includes a support member which is configured to mount to the circuit board, and a lever coupled to the support member. The lever is configured to reside in a first orientation relative to the support member when the circuit board initially engages with a card cage, and pivot from the first orientation to a second orientation relative to the support member when the circuit board subsequently installs fully within the card cage. The insertion delay subassembly further includes an insertion delay latch coupled to one of the support member and the lever. The insertion delay latch is configured to selectively (i) block movement of the lever from the first orientation to the second orientation, and (ii) enable movement of the lever from the first orientation to the second orientation.
대표청구항
▼
1. A connection system, comprising:a card cage;a set of card cage connectors coupled to the card cage; anda circuit board assembly including:(A) a circuit board which is configured to install into the card cage;(B) a set of circuit board connectors mounted to the circuit board, the set of circuit bo
1. A connection system, comprising:a card cage;a set of card cage connectors coupled to the card cage; anda circuit board assembly including:(A) a circuit board which is configured to install into the card cage;(B) a set of circuit board connectors mounted to the circuit board, the set of circuit board connectors being configured to electrically connect with the set of card cage connectors; and(C) an insertion delay subassembly having:a support member which mounts to the circuit board;a lever coupled to the support member, the lever being configured to reside in a first orientation relative to the support member when the circuit board initially engages with the card cage and when the set of circuit board connectors partially electrically connect with the set of card cage connectors, and pivot from the first orientation to a second orientation relative to the support member when the circuit board subsequently installs fully within the card cage and when the set of circuit board connectors fully electrically connect with the set of card cage connectors;an insertion delay latch coupled to one of the support member and the lever, the insertion delay latch being configured to selectively (i) block movement of the lever from the first orientation to the second orientation, and (ii) enable movement of the lever from the first orientation to the second orientation; anda spring disposed between the lever and the insertion delay latch, the spring providing a force that biases the insertion delay latch at a first angle relative to the lever;wherein the insertion delay latch pivotally couples to the lever, wherein the insertion delay latch is configured to (i) interfere with a portion of the support member when the insertion delay latch resides at the first angle relative to the lever to block movement of the lever from the first orientation to the second orientation, and (ii) clear the portion of the support member when the insertion delay latch resides at a second angle relative to the lever to enable movement of the lever from the first orientation to the second orientation.2. The circuit board assembly of claim 1 wherein the insertion delay latch is configured to reside (i) at the first angle relative to the lever in response to gravitational force on the insertion delay latch, and (ii) at the second angle relative to the lever in response to a force that overcomes the gravitational force on the insertion delay latch.3. The circuit board assembly of claim 1 wherein the spring is a leaf spring member that attaches to the insertion delay latch.4. The connection system of claim 1 wherein the insertion delay subassembly further includes:a rod-shaped latch hinge which captures a first end of the insertion delay latch to the lever and enables a second end of the insertion delay latch to rotate relative to the lever about the rod-shaped latch hinge.5. The connection system of claim 4 wherein the second end of the insertion delay latch is adapted to swing away from the lever about the rod-shaped latch hinge in a substantially frictionless manner in response to gravitational force on the insertion delay latch.6. The connection system of claim 4 wherein the spring is a leaf spring which is made of a substantially same metallic material as that of the insertion delay latch.7. A circuit board assembly, comprising:a circuit board which is configured to install into a card cage;a set of circuit board connectors mounted to the circuit board, the set of circuit board connectors being configured to electrically connect with a set of card cage connectors within the card cage; andan insertion delay subassembly having:a support member which mounts to the circuit board;a lever coupled to the support member, the lever being configured to reside in a first orientation relative to the support member when the circuit board initially engages with the card cage and when the set of circuit board connectors partially electrically connect with the set of card cage connectors, and pivot from the first orientation to a second orientation relative to the support member when the circuit board subsequently installs fully within the card cage and when the set of circuit board connectors fully electrically connect with the set of card cage connectors;an insertion delay latch coupled to one of the support member and the lever, the insertion delay latch being configured to selectively (i) block movement of the lever from the first orientation to the second orientation, and (ii) enable movement of the lever from the first orientation to the second orientation;a spring disposed between the lever and the insertion delay latch, the spring providing a force that biases the insertion delay latch at a first angle relative to the lever;wherein the insertion delay latch pivotally couples to the lever, wherein the insertion delay latch is configured to (i) interfere with a portion of the support member when the insertion delay latch resides at the first angle relative to the lever to block movement of the lever from the first orientation to the second orientation, and (ii) clear the portion of the support member when the insertion delay latch resides at a second angle relative to the lever to enable movement of the lever from the first orientation to the second orientation.8. The circuit board assembly of claim 7 wherein the insertion delay subassembly further includes:a rod-shaped latch hinge which captures a first end of the insertion delay latch to the lever and enables a second end of the insertion delay latch to rotate relative to the lever about the rod-shaped latch hinge.9. The circuit board assembly of claim 8 wherein the second end of the insertion delay latch is adapted to swing away from the lever about the rod-shaped latch hinge in a substantially frictionless manner in response to gravitational force on the insertion delay latch.10. The circuit board assembly of claim 8 wherein the spring is a leaf spring which is made of a substantially same metallic material as that of the insertion delay latch.11. An insertion delay subassembly for a circuit board, comprising:a support member which is configured to mount to the circuit board;a lever coupled to the support member, the lever being configured to reside in a first orientation relative to the support member when the circuit board initially engages with a card cage, and pivot from the first orientation to a second orientation relative to the support member when the circuit board subsequently installs fully within the card cage;an insertion delay latch coupled to one of the support member and the lever, the insertion delay latch being configured to selectively (i) block movement of the lever from the first orientation to the second orientation, and (ii) enable movement of the lever from the first orientation to the second orientation;a spring disposed between the lever and the insertion delay latch, the spring providing a force that biases the insertion delay latch at a first angle relative to the lever; andwherein the insertion delay latch pivotally couples to the lever, wherein the insertion delay latch is configured to (i) interfere with a portion of the support member when the insertion delay latch resides at the first angle relative to the lever to block movement of the lever from the first orientation to the second orientation, and (ii) clear the portion of the support member when the insertion delay latch resides at a second angle relative to the lever to enable movement of the lever from the first orientation to the second orientation.12. The insertion delay subassembly of claim 11 wherein the insertion delay latch is configured to reside (i) at the first angle relative to the lever in response to gravitational force on the insertion delay latch, and (ii) at the second angle relative to the lever in response to a force that overcomes the gravitational force on the insertion delay latch.13. The insertion delay subassembly of claim 11 wherein the spring is a leaf spring member that attaches to the insertion delay latch.14. The insertion delay subassembly of claim 11, further comprising:a rod-shaped latch hinge which captures a first end of the insertion delay latch to the lever and enables a second end of the insertion delay latch to rotate relative to the lever about the rod-shaped latch hinge.15. The insertion delay subassembly of claim 14 wherein the second end of the insertion delay latch is adapted to swing away from the lever about the rod-shaped latch hinge in a substantially frictionless manner in response to gravitational force on the insertion delay latch.16. The insertion delay subassembly of claim 14 wherein the spring is a leaf spring which is made of a substantially same metallic material as that of the insertion delay latch.17. A method for connecting a circuit board assembly to a set of card cage connectors, the method comprising:inserting the circuit board assembly partially into a card cage while a lever coupled to the circuit board resides at a first orientation relative to the card cage and while an insertion delay latch blocks the lever from pivoting from the first orientation to a second orientation;actuating the insertion delay latch to enable movement of the lever from the first orientation relative to the card cage to the second orientation relative to the card cage, actuation of the insertion delay latch compressing a spring disposed between the lever and the insertion delay latch, the spring providing a force that biases the insertion delay latch at a first angle relative to the lever, the insertion delay latch pivotally coupling to the lever, the insertion delay latch being configured to (i) interfere with a portion of the support member when the insertion delay latch resides at the first angle relative to the lever to block movement of the lever from the first orientation to the second orientation, and (ii) clear the portion of the support member when the insertion delay latch resides at a second angle relative to the lever to enable movement of the lever from the first orientation to the second orientation; andpivoting the lever from the first orientation relative to the card cage to the second orientation relative to the card cage to fully install the circuit board assembly into the card cage.18. The method of claim 17 wherein a rod-shaped latch hinge captures a first end of the insertion delay latch to the lever and enables a second end of the insertion delay latch to rotate relative to the lever about the rod-shaped latch hinge,wherein the second end of the insertion delay latch is adapted to swing away from the lever about the rod-shaped latch hinge in a substantially frictionless manner in response to gravitational force on the insertion delay latch, andwherein the spring is a leaf spring which is made of a substantially same metallic material as that of the insertion delay latch.19. A circuit board assembly, comprising:a circuit board which is configured to install into a card cage;a set of circuit board connectors mounted to the circuit board, the set of circuit board connectors being configured to electrically connect with a set of card cage connectors within the card cage; andan insertion delay subassembly having:a support member which mounts to the circuit board;a lever coupled to the support member, the lever being configured to reside in a first orientation relative to the support member when the circuit board initially engages with the card cage and when the set of circuit board connectors partially electrically connect with the set of card cage connectors, and pivot from the first orientation to a second orientation relative to the support member when the circuit board subsequently installs fully within the card cage and when the set of circuit board connectors fully electrically connect with the set of card cage connectors;blocking means for selectively blocking movement of the lever from the first orientation to the second orientation, and enabling movement of the lever from the first orientation to the second orientation; anda spring disposed between the lever and the blocking means, the spring providing a force that biases the blocking means at a first angle relative to the lever;wherein the blocking means couples to the lever, wherein the blocking means is configured to (i) interfere with a portion of the support member when the blocking means resides at the first angle relative to the lever to block movement of the lever from the first orientation to the second orientation, and (ii) clear the portion of the support member when the blocking means resides at a second angle relative to the lever to enable movement of the lever from the first orientation to the second orientation.20. The circuit board assembly of claim 19 wherein the insertion delay subassembly further includes a rod-shaped latch hinge which captures a first end of the insertion delay latch to the lever and enables a second end of the insertion delay latch to rotate relative to the lever about the rod-shaped latch hinge,wherein the second end of the insertion delay latch is adapted to swing away from the lever about the rod-shaped latch hinge in a substantially frictionless manner in response to gravitational force on the insertion delay latch, andwherein the spring is a leaf spring which is made of a substantially same metallic material as that of the insertion delay latch.21. An insertion delay subassembly for a circuit board, comprising:a support member which is configured to mount to the circuit board;a lever coupled to the support member, the lever being configured to reside in a first orientation relative to the support member when the circuit board initially engages with a card cage, and pivot from the first orientation to a second orientation relative to the support member when the circuit board subsequently installs fully within the card cage; andblocking means for selectively blocking movement of the lever from the first orientation to the second orientation, and enabling movement of the lever from the first orientation to the second orientation; anda spring disposed between the lever and the blocking means, the spring providing a force that biases the blocking means at a first angle relative to the lever; andwherein the blocking means pivotally couples to the lever, wherein the blocking means is configured to (i) interfere with a portion of the support member when the blocking means resides at the first angle relative to the lever to block movement of the lever from the first orientation to the second orientation, and (ii) clear the portion of the support member when the blocking means resides at a second angle relative to the lever to enable movement of the lever from the first orientation to the second orientation.22. The insertion delay subassembly of claim 21, further comprising:a rod-shaped latch hinge which captures a first end of the insertion delay latch to the lever and enables a second end of the insertion delay latch to rotate relative to the lever about the rod-shaped latch hinge,wherein the second end of the insertion delay latch is adapted to swing away from the lever about the rod-shaped latch hinge in a substantially frictionless manner in response to gravitational force on the insertion delay latch, andwherein the spring is a leaf spring which is made of a substantially same metallic material as that of the insertion delay latch.
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