Electricity: electrical systems and devices – Miscellaneous
Patent
1988-10-14
1991-04-16
Picard, Leo P.
Electricity: electrical systems and devices
Miscellaneous
174138G, H05K 114
Patent
active
050087770
ABSTRACT:
A method and apparatus for mounting daughter boards onto a printed circuit mother board. Daughter boards are mounted on the mother board using a new spacer. This spacer comprises: an electrically insulated body; one or more pins protruding from one end of the body which fit into the circuit component holes of the mother board; and a hole at the other end of the body which accepts a fastening device inserted through a hole in a daughter board, that attaches a daughter board to the mother board. Advantageously, a minimum amount of space is used on the mother board, and the daughter boards can be mounted wherever convenient.
REFERENCES:
patent: 3688635 (1972-09-01), Fegen
patent: 3836703 (1974-09-01), Coules
patent: 3996500 (1976-12-01), Coules
patent: 4200900 (1980-04-01), McGeorge
patent: 4444318 (1984-04-01), Alexander
patent: 4495380 (1985-01-01), Ryan et al.
patent: 4578612 (1986-03-01), Mooney
AT&T Bell Laboratories
Ghosh Paramita
Picard Leo P.
Ulrich Werner
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