Patent ID: 8439700

Claim:
A socket comprising: a socket body which accommodates an electrical part, a contact pin which is provided at the socket body and contacts to a terminal of the electrical part when the electrical part is accommodated by the socket body, a locater plate which is located on a lower side of the socket body to be vertically movable, and has an insertion hole into which a lower terminal portion of the contact pin is inserted, and a lock member comprising: a fixing portion which is fixed by the locater plate, and an engaging piece which extends upward from the fixing portion and which comprises a first engaging portion formed at an upper end of the engaging piece and a second engaging portion which is elastically deformable and is formed at a lower position than the first engaging portion, the socket body comprises an engaging hole into which the engaging piece of the lock member is inserted, the first engaging portion of the lock member is engaged with the engaging hole and thereby regulates a downward movement of the locater plate when the locater plate is at a bottom position, the second engaging portion of the lock member is engaged with the engaging hole by an elastic force of the engaging piece and thereby regulates an upward movement of the locater plate when the locater plate is at the bottom position, and releases the regulation of the upward movement when a force larger than a prescribed force is applied to the locater plate.