Browse Prior Art Database

I/O Card Locking Cam Disclosure Number: IPCOM000014576D
Original Publication Date: 2000-Oct-25
Included in the Prior Art Database: 2003-Jun-19
Document File: 1 page(s) / 61K

Publishing Venue



The invention herein described locks I/O (Input Output) cards and blanks in place with out tools.

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I/O Card Locking Cam

  The invention herein described locks I/O (Input / Output) cards and blanks in place with out tools.

The I/O blank area (see figure 1) inside of a computer housing accepts I/O device cards such as PCI and

AGP (Advanced Graphics Processor) , (see figure 2). When a card is not used a blank may be present

(see figure 3). The locking cam (see figure 4) of this invention secures the cards in a single motion

satisfying usability, EMC, and fragility concerns normally done with a screw in each of the card positions.

By not using screws or tools the locking cam invention solves the tool-less problem of locking down the

I/O cards (see figure 6). It works by reason of an over the center design cam that holds itself in place in the

locked position, (see figure7). The I/O cards are placed in the openings of the standard ATX/uATX pitch card

receptacle area (see figure 5). Once in place the locking cam is placed in its pivot location and then rotated

into place(see figure 8). As the rotation takes place the bottom of the cam passes the center of the pivot and

locks the cam in place over the top of the card brackets (see figure 7). The locking cam works in conjunction

with the pivot arm and extruded bump locations on the sheetmetal computer housing I/O card opening

(see figure 1). The locking cam itself is made out of plastic. View of the locked position from the top

(see figure 9). FIG2iocard FIG5io...