US 9,812,803 B2
Socket
Hiroyuki Toyoda, Osaka (JP); Satoru Tanaka, Osaka (JP); Kiwamu Shibata, Mie (JP); Noboru Hashimoto, Mie (JP); and Kazuya Baba, Mie (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
Filed on Jan. 15, 2016, as Appl. No. 14/997,004.
Claims priority of application No. 2015-019460 (JP), filed on Feb. 3, 2015.
Prior Publication US 2016/0226172 A1, Aug. 4, 2016
Int. Cl. H01R 13/648 (2006.01); H01R 13/115 (2006.01)
CPC H01R 13/115 (2013.01) 13 Claims
OG exemplary drawing
 
1. A socket for use with a plug including a plug body, a pair of power-supply plug blades that protrude from a leading end face of the plug body, and a grounding plug blade that protrudes from the leading end face by a first distance from the power-supply plug blades, the socket comprising:
a socket cover including a recessed portion configured to receive a part of the plug body, the recessed portion including a bottom face, which faces to the leading end face of the plug body when the recessed portion receives the part of the plug body, wherein the bottom face is provided with a pair of power-supply insertion holes and a grounding insertion hole, the power-supply insertion holes each having a first plug insertion axis and the grounding insertion hole having a second plug insertion axis;
a pair of power-supply blade receivers disposed in the power-supply insertion holes and configured to retain the pair of power-supply plug blades; and
a grounding blade receiver disposed in the grounding insertion hole and configured to retain the grounding plug blade, wherein:
each of the pair of power-supply blade receivers includes:
a pair of holding plates which oppose each other and include a power-supply contact portion which is a portion of at least one of the pair of holding plates that first comes into contact with a corresponding power-supply plug blade inserted through a corresponding power-supply insertion hole; and
a power-supply retaining portion which forms a narrowest space between the pair of holding plates and is configured to elastically sandwich and conductively retain the corresponding power-supply plug blade therebetween, the grounding blade receiver includes:
a first grounding piece and a second grounding piece which oppose each other, the first and second grounding pieces including a grounding contact portion which is a portion, of at least one of the first and second grounding pieces, that is arranged so as to first come into contact with the grounding plug blade inserted through the grounding insertion hole, and
a grounding retaining portion which forms a narrowest space between the first and second grounding pieces and is configured to elastically sandwich and conductively retain the grounding plug blade therebetween,
the power-supply contact portion is arranged in the corresponding power-supply insertion holes at a first depth from the bottom face of the recessed portion along the first plug insertion axis,
the power-supply retaining portion is arranged in the corresponding power-supply insertion holes at a second depth from the bottom face of the recessed portion along the first plug insertion axis,
the grounding contact portion is arranged in the grounding insertion hole at a third depth from the bottom face of the recessed portion along the second plug insertion axis, the third depth being equal to or greater than the first depth and less than a total of the first depth and the first distance,
the grounding retaining portion is arranged in the grounding insertion hole at a fourth depth from the bottom face of the recessed portion along the second plug insertion axis, the fourth depth being greater than the third depth, and
the fourth depth is greater than the second depth by a second distance that is equal to or greater than the first distance.