Browse Prior Art Database

Printed Wiring Card Retention Extraction

IP.com Disclosure Number: IPCOM000091252D
Original Publication Date: 1967-Dec-01
Included in the Prior Art Database: 2005-Mar-05
Document File: 2 page(s) / 53K

Publishing Venue

IBM

Related People

Clarke, GV: AUTHOR [+2]

Abstract

The drawing shows printed circuit card 2 and elements that hold the card in a conventional supporting frame not shown. Card 2 has a track element 3 along its upper edge and a similar track, not shown, along its lower edge. These tracks guide card 2 when it is inserted into the retaining frame. Along its front edge, card 2 has a mechanism that locks it into the frame.

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Printed Wiring Card Retention Extraction

The drawing shows printed circuit card 2 and elements that hold the card in a conventional supporting frame not shown. Card 2 has a track element 3 along its upper edge and a similar track, not shown, along its lower edge. These tracks guide card 2 when it is inserted into the retaining frame. Along its front edge, card 2 has a mechanism that locks it into the frame.

This mechanism includes support element 5 that extends along the front edge of card 2. Element 6 is pivotally mounted at each end of support 5 to swing between the two positions shown. Support 5 is grooved to form a track for carrying element 7 that can be slid into a locking position over one end of element 6. The latter carries spring 8 which is generally U-shaped. A notch 9 is provided to receive the center portion of spring 8 when card 2 is in its locked position shown to the right.

When element 6 is in the locked position, spring 8 is biased to engage the card holding frame and securely hold card 2 in the frame. When the elements are moved to the position shown to the left, spring 8 is moved clear of the card retaining frame and element 6 forms a convenient handle for pulling card 2 out of the frame.

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