Patent ID: 6837745

Claim:
A jack being connected to an electric energy supply or demand part through a lead, comprising: a contact for contacting an outside terminal to be connected to the jack, the contact having a crimping portion for crimping the lead to be connected to the contact, a housing having a contact insertion opening through which the contact is to be inserted and a contact insertion room in which the contact is to be disposed and; a cover for closing the contact insertion opening when the contact is disposed in the contact insertion room; wherein the housing comprises: a crimping portion storage passage for storing the crimping portion and a lead extending part for extending a lead from the crimping portion storage passage to outside of the housing, wherein the contact comprises a hollow pillar-shaped contact being connected to a first lead being crimped at a first crimping portion by crimping, wherein the contact insertion opening comprises a first opening for inserting the hollow pillar-shaped contact, wherein the hollow pillar-shaped contact comprises an L-shaped tongue piece in a vicinity of a base portion toward the first crimping portion of the hollow pillar-shaped contact, wherein the contact insertion room includes a first insertion room for inserting the hollow pillar-shaped contact, wherein the hollow pillar-shaped contact is to be inserted through the first opening into the first insertion room, and wherein the first insertion room comprises: a pillar insertion opening for inserting the hollow pillar-shaped contact along the pillar axis, a first stopping portion for controlling rotation around the pillar axis of the hollow pillar-shaped contact by engaging with the L-shaped tongue piece, in a vicinity of the pillar insertion opening, and a second stopping portion for stopping the hollow pillar-shaped contact at a predetermined position by butting the L-shaped tongue piece as the hollow pillar-shaped contact proceeds into the pillar insertion opening.