Retaining bar for printed wiring cards

Electrical connectors – With coupling movement-actuating means or retaining means in... – Retaining means

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361415, H01R 13639

Patent

active

049648101

ABSTRACT:
An arrangement to provide a card cage of an electronic system with a retaining bar. The retaining bar simply and quickly latches in to holes drilled in the side of the card cage. Similarly, the retaining bar quickly unlatches from its holes to provide access for maintenance personnel. The retaining bar has a spring loaded latch element at each end of its length. It has a bar member with a U-shaped cross section in order to prevent excessive bending in the middle. The retaining bar further has a layer of resilient material between the U-shaped bar member and the printed wiring cards to provide a force against each card to retain it in its respective card position. The resilient material may be highly insulating or it may be anti-static as the technology requires.

REFERENCES:
patent: 2608420 (1952-08-01), Eck
patent: 3001102 (1961-09-01), Stiefel et al.
patent: 3311863 (1967-03-01), Beale
patent: 3774939 (1973-11-01), Freads et al.
patent: 3836174 (1974-09-01), Holman, Jr.
patent: 4051549 (1977-09-01), Fiege
patent: 4124878 (1978-11-01), Ebner et al.
patent: 4256425 (1981-03-01), Burgess et al.
patent: 4332515 (1982-06-01), Twyman
patent: 4555744 (1985-11-01), Maroney et al.
"Air Bag", IBM Technical Disclosure Bulletin, vol. 11, No. 12 (May, 1969), p. 1694.
"Card Retention Scheme", IBM Technical Disclosure Bulletin, vol. 14, No. 9 (Feb., 1972), p. 2671.
NAVSEA 0957-LP-1640 Technical Manual for the AN/WQC-2 Underwater Communication Set, 12-08-89.

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