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A mechanism for insertion of a circuit board into a rack assembly and extraction of a circuit board from the rack assembly. The mechanism may include a pair of levers coupled to a circuit board assembly. First and second members may be coupled to each of the levers. The first member may be positiona

A mechanism for insertion of a circuit board into a rack assembly and extraction of a circuit board from the rack assembly. The mechanism may include a pair of levers coupled to a circuit board assembly. First and second members may be coupled to each of the levers. The first member may be positionable to engage an engaging formation on a rack for insertion of the circuit board into the rack assembly. The second member may be positionable to engage the engaging formation for extraction of the circuit board from the rack assembly.

대표청구항 ▼

1. A mechanism for inserting a circuit board into a rack and extracting the circuit board from the rack, comprising:a pair of levers pivotally coupled to the circuit board, each lever comprising a central arm and a side arm, wherein the central arms are coupled to each other,a pair of first rack-eng

1. A mechanism for inserting a circuit board into a rack and extracting the circuit board from the rack, comprising:a pair of levers pivotally coupled to the circuit board, each lever comprising a central arm and a side arm, wherein the central arms are coupled to each other,a pair of first rack-engaging members; anda pair of second rack-engaging members;one of the second rack-engaging members being pivotally coupled to each of the levers,one of the first rack-engaging members being pivotally coupled to each of the second rack-engaging members;wherein the levers are operable to apply a force to the circuit board to insert the circuit board into the rack when the first rack-engaging members are in contact with engaging formations of the rack; andwherein the levers are operable to apply a force to the circuit board to extract the circuit board from the rack when the second rack-engaging members are in contact with engaging formations of the rack.2. The mechanism of claim 1, wherein the first rack-engaging members are pivotally and slidably coupled to the second rack-engaging members, and wherein the first rack-engaging members are retractable by pivoting the first rack-engaging members and sliding the first rack-engaging members along slots in the second rack-engaging members.3. The mechanism of claim 1, wherein each of the second rack-engaging members comprises a shaft pivotally coupled to the lever, the mechanism further comprising a guide for each shaft coupled to the circuit board.4. The mechanism of claim 1, wherein the second rack-engaging members form a stop against the engaging formations when the circuit board is initially installed such that a board connector part and rack connector part are inhibited from contacting each other until the mechanism is operated to insert the circuit board into the rack.5. The mechanism of claim 1, wherein at least one of the members is retractable.6. The mechanism of claim 1, further comprising a third member coupled to at least one of the first rack-engaging members, wherein the third member is movable by a user to position the first rack-engaging member.7. The mechanism of claim 1, further comprising:a third member pivotally coupled to one of the first rack-engaging members,wherein the third member comprises a knob movable by a user to position the first rack-engaging member, and an indicator on the third member to indicate when a board connector part and a rack connector part are coupled.8. The mechanism of claim 7, further comprising a housing coupled to the circuit board, wherein alignment between a front edge of the housing and the indicator indicate that the board connector part and the rack connector part are coupled.9. The mechanism of claim 1, further comprising an actuator coupled to the central arms of the levers.10. The mechanism of claim 1, wherein the mechanism substantially inhibits movement of the circuit board when the circuit board is in an installed position.11. The mechanism of claim 1, wherein the mechanism is operable to apply a total insertion force of at least about 500 pounds.12. The mechanism of claim 1, wherein the mechanism is operable by a user to synchronously apply a plurality of insertion forces to the circuit board.13. The mechanism of claim 1, wherein an insertion force applied to the circuit board by one of the levers during use is substantially equal to an insertion force applied to the circuit board by the other lever.14. The mechanism of claim 1, wherein the mechanism is substantially symmetrical with respect to a longitudinal axis of the circuit board.15. The mechanism of claim 1, further comprising a housing coupled to the circuit board.16. A mechanism for extracting a circuit board from a rack, the mechanism comprising a pair of levers pivotally coupled to the circuit board each lever comprising a central arm and a side arm, wherein the central arms are coupled to each other, a rack-engaging shaft pivotally coupled to the side arm of each lever, wherein the levers are operable to apply a force to the circuit board to extract the circuit board from the rack when the rack-engaging shafts are in contact with engaging formations of the rack, the mechanism further comprising a guide for each rack-engaging shaft coupled to the circuit board.17. The mechanism of claim 16, wherein the mechanism is operable to apply a total extraction force of at least about 500 pounds.18. The mechanism of claim 16, wherein the mechanism is operable by a user to synchronously apply a plurality of extraction forces to the circuit board.19. The mechanism of claim 16, wherein an extraction force applied to the circuit board by one of the levers is substantially equal to an extraction force applied to the circuit board by the other lever.20. The mechanism of claim 16, wherein the mechanism is substantially symmetrical with respect to a longitudinal axis of the circuit board.21. A mechanism for inserting a circuit board into a rack and for extracting the circuit board from the rack, comprising:a first rack-engaging member; anda second rack-engaging member;the first rack-engaging member being movably coupled to the second rack-engaging member, wherein the mechanism is operable to apply a force to the circuit board to insert the circuit board when the first rack-engaging member is in contact with an engaging formation of the rack, and wherein the mechanism is operable to apply a force to the circuit board to extract the circuit board when the second rack-engaging member is in contact with the engaging formation of the rack.22. The mechanism of claim 21, further comprising a lever coupled to the second rack-engaging member.23. The mechanism of claim 21, further comprising an actuator coupled to the second rack-engaging member.24. The mechanism of claim 21, further comprising an actuator coupled to the second rack-engaging member, wherein the actuator comprises:a lead screw rotatably coupled to the circuit board; anda drive nut threadably coupled to the lead screw such that rotation of the lead screw advances the drive nut, wherein the drive nut is coupled to the second rack-engaging member.25. The mechanism of claim 21, further comprising a lever coupled to the second rack-engaging member, and an actuator coupled to the lever.26. The mechanism of claim 21, wherein the first rack-engaging member is retractable.27. A mechanism for inserting a circuit board into a rack and for extracting the circuit board from the rack, the mechanism comprising:a lever;a first rack-engaging member; anda second rack-engaging member,the first rack-engaging member being pivotally coupled to the second rack-engaging member, the second rack-engaging member being pivotally coupled to the lever;wherein the lever is operable to apply a force to the circuit board to insert the circuit board when the first rack-engaging member is in contact with an engaging formation on the rack, and wherein the lever is operable to apply a force to the circuit board to extract the circuit board when the second rack-engaging member is in contact with the engaging formation of the rack.28. The mechanism of claim 27, wherein the first rack-engaging member is pivotally and slidably coupled to the second rack-engaging member, and wherein the first rack-engaging member is retractable by pivoting the first rack-engaging member and sliding the first rack-engaging member along a slot in the second rack-engaging member.29. The mechanism of claim 27, wherein the second rack-engaging member comprises a shaft pivotally coupled to the lever, the mechanism further comprising a guide for the shaft coupled to the circuit board.30. The mechanism of claim 27, further comprising a third member coupled with the first rack-engaging member, wherein the third member comprises a knob movable by a user to position the first rack-engaging member.31. The mechanism of claim 27, further comprising a third member pivotally coupled to the first rack-engaging member, wherein the third member comprises a knob movable by a user to position the first rack-engaging member.32. The mechanism of claim 31, further comprising an indicator on the third member, wherein alignment between a front edge of the housing and the indicator indicate that the board connector part and the rack connector part are coupled.33. The mechanism of claim 31, further comprising an indicator on the third member to indicate when a board connector part and a rack connector part are not coupled, wherein non-alignment between a front edge of the housing and the indicator indicate that the board connector part and the rack connector part are not coupled.34. The mechanism of claim 27, further comprising a resiliently deformable member coupled to the first member, wherein the resiliently deformable member is configured to urge the first rack-engaging member into engagement with the engaging formation of the rack.35. The mechanism of claim 27, further comprising an actuator coupled to the lever.36. A computer system, comprising:a rack configured to receive a circuit board;a circuit board coupled to the rack; anda mechanism for inserting the circuit board into the rack and extracting the circuit board from the rack, the mechanism comprising:a pair of levers pivotally coupled to the circuit board, each lever comprising a central arm and a side arm, wherein the central arms are coupled to each other,a pair of first rack-engaging members; anda pair of second rack-engaging members;wherein one of the second rack-engaging members is pivotally coupled to each of the levers, and wherein one of the first rack-engaging members is pivotally coupled to each of the second rack-engaging members;wherein the levers are operable to apply an insertion force to the circuit board to insert the circuit board into the rack when the first rack-engaging members are in contact with engaging formations of the rack, andwherein the levers are operable to apply an extraction force to the circuit board to extract the circuit board from the rack when the second rack-engaging memebers are in contact with engaging formations of the rack.37. The computer system of claim 36, further comprising a housing coupled to the circuit board, wherein the mechanism is disposed substantially within the housing.38. The computer system of claim 36, further comprising a housing coupled to the circuit board, wherein the housing forms an at least partial Faraday cage around the circuit board.39. The computer system of claim 36, wherein the computer system comprises at least two circuit boards, wherein the computer system further comprises a housing coupled to each circuit board, and wherein the housings form an at least partial Faraday cage around the circuit boards.40. The computer system of claim 36, wherein at least one of the first rack-engaging members is retractable with respect to the second rack-engaging member to which it is coupled.41. The mechanism of claim 16, further comprising a rack-engaging member pivotally coupled to each of the rack-engaging shafts, wherein the levers are operable to apply a force to the circuit board to insert the circuit board into the rack when the rack-engaging member is positioned to engage the engaging formation of the rack.42. The mechanism of claim 23, further comprising a lever connecting the actuator to the second rack-engaging member.