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Space Saving Rear Retention for PCI Cards with 2.x Handles

IP.com Disclosure Number: IPCOM000014772D
Original Publication Date: 2001-Jun-14
Included in the Prior Art Database: 2003-Jun-20
Document File: 3 page(s) / 64K

Publishing Venue

IBM

Abstract

The problem solved by this invention is how to hold down the end of the PCI card on the side opposite from the bracket when there is minimal space above the 2.1 or 2.2 handles to do so. This invention solved the problem by locking down the PCI card using the bottom rung of the handle. One advantage of this invention is that you are able to lock or unlock all of the PCI cards at one time.

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Space Saving Rear Retention for PCI Cards with 2.x Handles

The problem solved by this invention is how to hold down the end of the PCI card on the side opposite from the bracket when there is minimal space above the 2.1 or 2.2 handles to do so. This invention solved the problem by locking down the PCI card using the bottom rung of the handle. One advantage of this invention is that you are able to lock or unlock all of the PCI cards at one time.

Figure 1 shows the lock handle and lock bar in the locked position. One can see that the lock bar is over top of the bottom rung of the handle on the PCI card and this prevents the cards from coming up. Figure 2 shows the lock bar and lock handle in the unlocked position. In order to go from locked to unlocked, the user must pull the handle out slightly in order to bypass the retention dimple, and then push the handle toward the PCI cards as indicated by the icons on the lock handle. The lock handle then rotates about a pin and actuates a lock bar, forcing it to slide 10 mm into the unlocked position. From this position, the cards can be removed from the slot with little effort. In order to save space for a 3U box, the lock bar goes over the bottom rung of the handle. Also, the lock bar is mounted below all the cards. This invention hold the cards very rigidly in the vertical direction which prevents the cards from coming unplugged from the shock and vibration experienced during shipping.

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