Handle lockout mechanism for scaling blade-style servers
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H05K-005/00
H05K-007/14
H05K-007/18
H01R-013/62
출원번호
US-0090237
(2013-11-26)
등록번호
US-9125318
(2015-09-01)
발명자
/ 주소
French, Jr., Michael D.
Goodman, Walter A.
McNulty, Edward J.
Myrto, Glenn E.
출원인 / 주소
Lenovo Enterprise Solutions (Singapore) Pte. Ltd.
대리인 / 주소
Brown, Katherine S.
인용정보
피인용 횟수 :
0인용 특허 :
12
초록▼
A system includes a chassis, first and second blade servers, and a scalability device. Each blade server is securable within the chassis and includes a scalability port, cam handle for selectively securing the blade server in the chassis, and handle latch for selectively latching the cam handle in a
A system includes a chassis, first and second blade servers, and a scalability device. Each blade server is securable within the chassis and includes a scalability port, cam handle for selectively securing the blade server in the chassis, and handle latch for selectively latching the cam handle in a closed position, and lockout mechanism moveable into a position that blocks the handle latch in a latched position. The scalability device includes first and second scalability connectors, wherein positioning the scalability device so that the first scalability connector is coupled to a scalability port of the first blade server and the second scalability connector is coupled to a scalability port of the second blade server causes each lockout mechanism to move into the position that blocks the handle latches in the latched position. Accordingly, the scalability device must be removed before either of the blade servers can be removed.
대표청구항▼
1. A system, comprising: a chassis for housing a plurality of blade servers;a first blade server securable within the chassis, the first blade server including a first scalability port, a first lockout mechanism, and a first cam handle pivotably coupled to the first blade server, wherein the first c
1. A system, comprising: a chassis for housing a plurality of blade servers;a first blade server securable within the chassis, the first blade server including a first scalability port, a first lockout mechanism, and a first cam handle pivotably coupled to the first blade server, wherein the first cam handle has a first cam hook for selectively securing the first blade server in the chassis and a first handle latch for selectively latching the first cam handle in a closed position, and wherein the first lockout mechanism is moveable into a position that blocks the first handle latch in a latched position;a second blade server securable within the chassis adjacent to the first blade server, the second blade server including a second scalability port, a second lockout mechanism, and a second cam handle pivotably coupled to the second blade server, wherein the second cam handle has a second cam hook for selectively securing the second blade server in the chassis and a second handle latch for selectively latching the second cam handle in a closed position, and wherein the second lockout mechanism is moveable into a position that blocks the second handle latch in a latched position; anda scalability device including a first scalability connector in communication with a second scalability connector, wherein positioning the scalability device so that the first scalability connector is coupled to the first scalability port and the second scalability connector is coupled to the second scalability port causes the first lockout mechanism to move into the position that blocks the first handle latch in the latched position and causes the second lockout mechanism to move into the position that blocks the second handle latch in the latched position. 2. The system of claim 1, wherein the first cam handle and the first handle latch are operable from a front face of the first blade server, wherein the second cam handle and the second handle latch are operable from a front face of the second blade server, wherein the first scalability port is accessible from the front face of the first blade server, and wherein the second scalability port is accessible from the front face of the second blade server. 3. The system of claim 1, wherein the scalability device further includes a first tab aligned with the first lockout mechanism and a second tab aligned with the second lockout mechanism. 4. The system of claim 1, wherein the first blade server further includes a third cam handle pivotably coupled to the first blade server on an opposing side of the first blade server from the first cam handle, wherein the third cam handle includes a third cam hook for selectively latching the first blade server in the chassis and a third handle latch for selectively latching the third cam handle in a closed position, and wherein the second blade server further includes a fourth cam handle pivotably coupled to the second blade server on an opposing side of the second blade server from the second cam handle, wherein the fourth cam handle includes a fourth cam hook for selectively latching the second blade server in the chassis and a fourth handle latch for selectively latching the fourth cam handle in a closed position. 5. The system of claim 4, wherein the first lockout mechanism includes a first actuator aligned with the scalability device, a first slider extending between the first actuator and the first handle latch and a third slider extending between the first actuator and the third handle latch, wherein the first actuator pushes the first and third sliders into a position blocking the first and third handle latches in the latched position, and wherein the second lockout mechanism includes a second actuator aligned with the scalability device, a second slider extending between the second actuator and the second handle latch and a fourth slider extending between the second actuator and the fourth handle latch, wherein the second actuator pushes the second and fourth sliders into a position blocking the second and fourth handle latches in the latched position. 6. The system of claim 5, wherein the first actuator forms a wedge that is wider near the front, wherein coupling the first and second scalability connectors to the first and second scalability ports causes the scalability device to push the first actuator in a rearward direction such that the wedge pushes the first and third sliders outwardly into the position blocking the first and third handle latches in the latched position, and wherein the second actuator forms a wedge that is wider near the front, wherein coupling the first and second scalability connectors to the first and second scalability ports causes the scalability device to push the second actuator in a rearward direction such that the wedge pushes the second and fourth sliders outwardly into the position blocking the second and fourth handle latches in the latched position. 7. The system of claim 5, wherein the first and third sliders are each spring biased toward the first actuator, and wherein the second and fourth sliders are each spring biased toward the second actuator. 8. The system of claim 4, wherein the first handle latch is pivotally secured to a distal end of the first cam handle, the second handle latch is pivotally secured to a distal end of the second cam handle, the third handle latch is pivotally secured to a distal end of the third cam handle, and the fourth handle latch is pivotally secured to a distal end of the fourth cam handle. 9. The system of claim 8, wherein the first cam handle further includes a torsion spring that biases the first handle latch toward a closed position, the second cam handle further includes a torsion spring that biases the second handle latch toward a closed position, the third cam handle further includes a torsion spring that biases the third handle latch toward a closed position, and the fourth cam handle further includes a torsion spring that biases the fourth handle latch toward a closed position. 10. The system of claim 8, wherein the first handle latch includes a first latch hook that engages a first catch on the first blade server when the first handle latch is in a closed position and a first release arm for disengaging the first latch hook from the first catch, the second handle latch includes a second latch hook that engages a second catch on the second blade server when the second handle latch is in a closed position and a second release arm for disengaging the second latch hook from the second catch, the third handle latch includes a third latch hook that engages a third catch on the first blade server when the third handle latch is in a closed position and a third release arm for disengaging the third latch hook from the third catch, and the fourth handle latch includes a fourth latch hook that engages a fourth catch on the second blade server when the fourth handle latch is in a closed position and a fourth release arm for disengaging the fourth latch hook from the fourth catch. 11. The system of claim 1, wherein the scalability device is secured in an installed position by friction between the first scalability connector and the first scalability port and friction between the second scalability connector and the second scalability port. 12. The system of claim 1, wherein the first lockout mechanism includes a first lever pivotably secured to the blade server, the first lever having a first end positioned for engagement with the scalability device and a second end that blocks the first handle latch in the latched position in response to the first end being engaged and moved by the scalability device. 13. The system of claim 12, wherein the first lever is spring biased toward a position that does not block the first handle latch in the latched position. 14. The system of claim 1, wherein the chassis forms a first bay for receiving the first blade server and a second bay for receiving the second blade server, wherein the first bay includes a notch in a side wall for receiving the first cam hook extending from the first cam handle, and wherein the second bay includes a notch in a side wall for receiving the second cam hook extending from the second cam handle. 15. The system of claim 1, wherein the scalability device includes a printed circuit board securing the first and second scalability connectors and including conductive traces that provide electronic communication between the first and second scalability connectors. 16. A method, comprising: securing a first blade server into a chassis using a first cam handle pivotally coupled to the first blade server, wherein the first cam handle secures the first blade server with the first cam handle in a closed position;securing a second blade server into the chassis adjacent to the first blade server using a second cam handle pivotally coupled to the second blade server, wherein the second cam handle secures the second blade server with the second cam handle in a closed position;securing the first cam handle in the closed position using a first handle latch;securing the second cam handle in the closed position using a second handle latch;coupling first and second scalability connectors on a scalability device to the scalability connectors of first and second adjacent blade servers;the scalability device engaging a first lockout mechanism on a first blade server and moving the first lockout mechanism into a position that blocks the first handle latch in the latched position; andthe scalability device engaging a second lockout mechanism on a second blade server and moving the second lockout mechanism into a position that blocks the second handle latch in the latched position. 17. The method of claim 16, wherein the first and second cam handles, first and second handle latches, and the scalability device are accessible from a front face of the chassis.
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