Patent ID: 7122274

Claim:
A receptacle for battery-using apparatuses, comprising: a plug inserting/removing portion where a plurality of signal post contact portions is disposed in parallel with each other which come in contact with a signal contact of an external plug; a signal post connecting portion on a rear surface side of said plug inserting/removing portion and connected to a circuit board; and an electrode disposing portion on a side surface of said plug inserting/removing portion and provided with a contact for a battery comprising plate springs protruding in parallel with each other on the rear surface side of said plug inserting/removing portion, wherein said contact comprises: a board connecting portion connected to the circuit board; a slant strip coupled with the board connecting portion, which protrudes toward the rear surface side of said electrode disposing portion, and which is flexible toward the electrode disposing portion; and an electrode contact portion formed at one tip of the slant strip, which has a U-shape protruding toward the rear surface side of said electrode disposing portion, and which comes in contact with the battery electrode; wherein: the electrode disposing portion defines a housing space for housing by pressure the contact for a battery into the housing space; wherein the contact comprises, the board connecting portion, a horizontal strip coupled to said board connection portion, a first vertical strip coupled to the horizontal strip and disposed along a vertical inner wall surface on a front surface side in the housing space, a second vertical strip coupled to the first vertical strip in a parallel direction to the first vertical strip, and a slant strip extending from the second vertical strip; and wherein a notch hole is formed at a boundary in between the vertical strip and said horizontal strip so that a lower end surface of the vertical strip which faces the notch hole is flattened.