JPS6274303U - - Google Patents

Description

[Brief explanation of the drawing]

Figure 1 is a perspective view showing the manufacturing process of an embodiment of the variable resistor of this invention, and Figure 2 shows the manufacturing process of molding a case onto an insulating substrate in an embodiment of the variable resistor of this invention. Perspective view shown, 3rd
Figures A, B, C, and D are perspective views showing the shapes of the cover, slider, slider, and O-ring used in the embodiment of the variable resistor of this invention, and Figure 4 is the same as Figure 2. FIGS. 5A to 5F are perspective views showing the state in which a slider with a fixed slider, an O-ring, and a cover are attached to the manufacturing process shown in FIG. FIG. 6 is a perspective view showing the structure of this type of variable resistor that has been proposed in the past, and FIG. -B sectional view. 21: Insulating substrate, 22: Current collector, 23: Resistor, 24, 25: Resistor extraction electrode, 26: Current collector extraction electrode, 27: Terminal board, 28-1, 28-2
: Lead frame, 29, 30, 31: Lead terminal, 29-C, 30-C, 31-C: Contact part, 3
3: case, 34: annular step, 36: sliding body,
37: Slider, 38: O-ring, 40: Stopper, 41: Projection, 43: Disc, 44: Operation groove,
45: Cover, 46: Engagement piece, 47: Engagement groove, 5
0: Opening.

Claims (1)

[Claims for Utility Model Registration] A resistor and a current collector are formed on the plate surface of an insulating substrate, and a resistor output terminal and a current collector output terminal are respectively connected to the resistor and the current collector, and the above-mentioned A case is fixedly disposed on the insulating substrate so as to cover the plate surface, and a sliding body is rotatably attached to the case, and the rotation causes the slider of the sliding body to move against the resistor. A variable resistor that slides in contact with the body and the current collector, and a set resistance value is taken out between the resistor take-out terminal and the current collector take-out terminal in accordance with the rotational position. A frame-shaped terminal plate connected to the current collector is disposed on the plate surface across the plate surface, and the terminal plate is molded at least at a side edge of the insulating substrate. A variable resistor characterized in that a case is formed, and the resistor lead terminal and the current collector lead terminal are formed from the terminal plate.