Electrical connectors – Preformed panel circuit arrangement – e.g. – pcb – icm – dip,... – Distinct contact secured to panel circuit
Patent
1988-07-11
1989-09-05
Abrams, Neil
Electrical connectors
Preformed panel circuit arrangement, e.g., pcb, icm, dip,...
Distinct contact secured to panel circuit
361400, H01R 909
Patent
active
048633895
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to an electronic component connecting terminal for mounting a screw terminal-type electronic component, particularly a screw terminal-type capacitor, on a printed circuit board.
2. Description of the Related Art
Small capacitors are mounted with their lead terminals directly soldered to the printed pattern on a printed circuit board. A "printed circuit board" is an insulated board on which an electrical circuit including electronic components is wired in the form of copper foil lines. When it is attempted to connect a large capacitor having screw terminals to a printed circuit board by screwing, the portions of the printed circuit board at which the screws are tightened crack because the circuit board has insufficient strength. As a result, there are instances where the capacitor falls off the printed circuit board. In order to prevent such an accident from occurring, ordinarily the screw terminal-type capacitor is screwed down on a separate mounting frame, the mounting frame is secured to the printed circuit board, and an electrical circuit is constructed by making a connection to the wiring copper foil on the printed circuit board by means of connecting wires.
Since the screw terminal-type capacitor is large in size and weight, it is difficult to directly mount the capacitor on the printed circuit board by screwing, as mentioned above. In the case where the capacitor is screwed down on the separate frame and the frame is attached to the printed circuit board, the capacitor terminals and the electrical circuit on the printed circuit board cannot be soldered. Consequently, connecting wires for connecting the terminals and the circuit are required, the assembly operation necessitates labor, and automation of assembly of the printed wiring circuit is impaired.
SUMMARY OF THE INVENTION
The present invention has been devised in view of the above-noted problems. An object, therefore, is to provide an electronic component connecting terminal in which a connecting terminal for direct soldering is attached to a printed circuit board. A screw terminal of an electronic component is screwed down to this connecting terminal, thereby eliminating the drawbacks of the prior art.
In accordance with the present invention, there is provided an electronic component connecting terminal in which each of the four corners of a rectangular plate provided with a screw hole for being screwed to a terminal of a screw terminal-type electronic component is provided with a leg which is passed through a printed circuit board and soldered to a printed pattern.
According to one embodiment of the invention, the legs of the terminal for connecting the electronic component are soldered to the printed circuit board, and the terminal of the electronic component is screwed to the connecting terminal. As a result, a large-size electronic component can be mounted on the printed circuit board with ease.
According to the invention, the terminal for connecting the electronic component is rectangular in shape. Therefore, the electronic component can be fixed to the printed circuit board strongly by arranging the longitudinal direction of the connecting terminal at right angles to the direction of a line connecting the two terminals of the electronic component.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a perspective view illustrating a preferred embodiment of a terminal for connecting an electronic component according to the invention, and
FIG. 2 is an exploded view illustrating assembly using the FIG. 1 embodiment.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
A preferred embodiment of the present invention will now be described in detail with reference to the drawings.
FIG. 1 is a perspective view illustrating an embodiment of a terminal for connecting an electronic component, and FIG. 2 is a view for describing assembly using the terminal of FIG. 1.
In FIGS. 1 and 2, numeral 1 denotes a screw terminal-type capacitor in which an electrolytic capacitor is sea
REFERENCES:
patent: 3624588 (1971-11-01), Farmer
patent: 4136924 (1979-01-01), Dobrosielski et al.
Kanamori Yuji
Kobari Katsuo
Ota Naoto
Suzuki Naoyuki
Abrams Neil
Fanuc Ltd.
Nguyen Khiem
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