Mounting system for easier on-line replacement of odd-sized circ

Details Mounting system for easier on-line replacement of odd-sized circ Mounting system for easier on-line replacement of odd-sized circ

1998-02-27

2000-09-19

Gaffin, Jeffrey

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

361752, 361753, 361756, 361802, 361788, H05K 500

Patent

active

061221767

ABSTRACT:
A mounting system for facilitating removal and replacement of circuit cards in a card cage includes a carrier having a generally planar shape and having a plurality of location holes therethrough. A first circuit card edge support is disposed at the bottom edge of the carrier. A first anchor assembly includes a first circuit card locator and a fastener system. The first circuit card locator is removably mounted to the carrier by the fastener system, a portion of which passes through one of the location holes in the carrier. The first circuit card locator is equipped with a support ledge and a hold-down tab for engaging opposite sides of a circuit card while the first circuit card edge support engages an edge of the circuit card. A second anchor assembly includes a post oriented generally perpendicular to the plane of the carrier and passes at least partially through a tooling hole in the circuit card. A second circuit card edge support may also be disposed at the bottom edge of the carrier. Alignment tabs are disposed at the bottom edge of the carrier and pass partially through a clearance slot in the backplane. Guide blocks on the backplane better position the alignment tabs. Detent bumps on the guide blocks engage detent holes on the alignment tabs, indicating when the carrier is correctly positioned.

REFERENCES:
patent: 4478331 (1984-10-01), Ruin
patent: 4642735 (1987-02-01), Hodsdon et al.
patent: 4872212 (1989-10-01), Roos et al.
patent: 5319524 (1994-06-01), Welch et al.
patent: 5432682 (1995-07-01), Glehl et al.
patent: 5457608 (1995-10-01), Scholder et al.
patent: 5774343 (1998-06-01), Benson et al.
patent: 5978212 (1999-11-01), Boulay et al.

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