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Preloaded flexible latch assembly

專利號(hào)
US12075578B2
公開日期
2024-08-27
申請(qǐng)人
INTERNATIONAL BUSINESS MACHINES CORPORATION(US NY Armonk)
發(fā)明人
Adam Spiegelman; Kevin O'Connell; Kenneth E. Lubahn; Justin Christopher Rogers; Eric J. Campbell
IPC分類
H05K5/02; E05C3/14; E05C5/02; E05C19/06
技術(shù)領(lǐng)域
latch,cassette,spring,cscb,mechanism,pci,pawl,lug,connector,in
地域: NY NY Armonk

摘要

A latch mechanism includes a mounting bracket, a stop connected to the mounting bracket, a first spring connected to the mounting bracket and in contact with the stop to preload the first spring, and a latch. The latch includes a second spring rotatably connected to the mounting bracket, and a body connected to the second spring. The body includes a pad at one end of the body, and a first pawl at a second end of the body opposite of the pad.

說(shuō)明書

BACKGROUND

The present disclosure relates to component latches, and more specifically, to component latches for electronic components having electrical signal connectors.

In general, component latches may serve a number of purposes at least including locating a component properly within a bay, holding a component within a component bay, and docking electrical signal connectors of the component to the component bay. As the complexity of components increases, and the cost of replacement component increases, the desire to properly latch those components similarly increases.

Toward this end, many components have strict requirements to ensure that these components can satisfy an expected performance. This includes requirements for interconnect pieces that connect various discrete modules, such as pins that are particularly short that interact with component connectors. Where computer devices end up with situations where it is not feasible for whatever reason to build these interconnect pieces with tight tolerances, the interaction between pins and component connectors may be inclined to fail as a result of a these low-tolerance short pins. For example, many component latches may actuate in such a way that they start by imparting zero force, and then, when actuated, quickly ramp up to their peak force. However, this may impart an amount of force that is structurally damaging (or otherwise suboptimal) for these low-tolerance short pins.

SUMMARY

權(quán)利要求

1
What is claimed is:1. A computer system component bay comprising:a frame comprising:a lug; andan input connector; anda cassette configured to be inserted into the frame, the cassette comprising:a housing;an output connector communicatively connected to an electronic component and configured to connect with the input connector; anda latch mechanism comprising:a stop connected to the housing; anda latch comprising:a body;a first spring integrally formed with and extending from the body; anda second spring, an end of the second spring integrally formed with the body, wherein an opposite end of the second spring extends from the body and comprises a mounting portion rotatably connected to the housing.2. The computer system component bay of claim 1, wherein the electronic component is connected to the housing.3. The computer system component bay of claim 1, wherein the first spring is in contact with the stop to preload the first spring when the latch mechanism is in an opened configuration.4. The computer system component bay of claim 1, wherein the latch further comprises a first pawl connected to the body, wherein the first pawl is configured to engage the lug when the latch mechanism is in a closed configuration.5. The computer system component bay of claim 4, wherein the latch further comprises a second pawl to engage the lug when the latch mechanism is moved from the closed configuration to an opened configuration.6. The computer system component bay of claim 1, wherein the first spring and the latch are flat steel components.7. The computer system component bay of claim 1, wherein:the latch further comprises a pad connected to the body and a first pawl connected to the body;the first pawl is configured to engage the lug when the latch mechanism is in a closed configuration; andwherein the mounting portion is positioned between the pad and the first pawl.8. A peripheral component interconnect (PCI) cassette configured to be inserted into a frame of a computer system component bay, the PCI cassette comprising:a housing;an output connector communicatively connected to an electronic component and configured to connect with an input connector; anda latch mechanism comprising:a stop connected to the housing; anda latch comprising:a body;a first spring integrally formed with and extending from the body and in contact with the stop to preload the first spring; anda second spring, an end of the second spring integrally formed with the body, wherein an opposite end of the second spring extends from the body and comprises a mounting portion rotatably connected to the housing.9. The PCI cassette of claim 8, wherein the electronic component is connected to the housing.10. The PCI cassette of claim 8, wherein:the latch further comprises a pad connected to the body and a first pawl connected to the body; andwherein the first pawl is configured to engage a lug attached to the frame when the latch mechanism is in a closed configuration.11. The PCI cassette of claim 10, wherein the mounting portion is positioned between the pad and the first pawl.12. The PCI cassette of claim 8, wherein the first spring and the latch are flat steel components.13. A latch mechanism comprising:a mounting bracket;a stop connected to the mounting bracket; anda latch rotatably connected to the mounting bracket, the latch comprising:a body comprising:a pad at a first end of the body; anda pawl at a second end of the body opposite of the pad;a first spring integrally formed with and extending from the body and in contact with the stop to preload the first spring;a second spring integrally formed with and extending from the body; anda mounting portion at one end of the second spring, wherein the second spring is connected to the body at an opposite end from the mounting portion.14. The latch mechanism of claim 13, wherein the pawl is a first pawl and wherein the mounting portion is positioned between the pad and the first pawl.15. The latch mechanism of claim 13, further comprising a second pawl at the second end of the body.16. The latch mechanism of claim 13, wherein the first spring and the latch are flat steel components.17. The latch mechanism of claim 13, further comprising a brace connected to the mounting bracket and extending over the latch to prevent twisting of the latch.
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