Electricity: electrical systems and devices – Miscellaneous
Patent
1990-06-12
1991-11-12
Picard, Leo P.
Electricity: electrical systems and devices
Miscellaneous
361400, 361405, 361417, 361419, 439 84, 439741, H01R 900
Patent
active
050652834
ABSTRACT:
Printed circuit boards with busbars for providing large current interconnections are disclosed. The printed circuit board 6 has through holes through each of which a cylindrical fixture member 12 having a top nut portion 12b extends to be secured to the board 6 by means of the bottom flange 12p and the radial outward extension 12a formed by a pressing or caulking step. Each one of the leads 4 of circuit elements 3 has a pin-shaped end portion having a male thread 4a formed thereon which engages with the nut portion 12b of a fixture member, wherein the pin-shaped portion 4a of each lead extends through a through hole formed in the busbars 1 so that the busbars 1 are securely held between the fixture members 12 and the stoppers (radial extensions) 4b formed at the base of the pin-shaped portions 4a of the leads 4. Alternatively, the busbars 1 are held between two radial outward extensions 12a and 12A of each one of the fixture member (FIG. 5), or are held together with the board 6 between the flange 12p and the radial extension 12a thereof (FIG. 9). The busbars may be bent and deformed to realize a three-dimensional busbar interconnection pattern (FIG. 10).
REFERENCES:
patent: 2025619 (1935-12-01), Scotney
Adachi Einosuke
Hayashi Satoru
Kazama Tutomu
Nakajima Hiroyuki
Sakita Kikuo
Ghosh Paramita
Mitsubishi Denki & Kabushiki Kaisha
Picard Leo P.
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