Patent ID: 7575452

Claim:
A slider unit provided in a housing, the housing defining a card housing space having an opening and configured to allow the insertion of a card from the opening, the slider unit configured to perform housing of the card into the card housing space and ejection of the card from the card housing space, the slider unit comprising: a slider that is arranged in the housing so as to be capable of moving along insertion/ejection directions of the card and whose position is capable of being switched by a heart cam mechanism between a first position and a second position that is farther from the opening than the first position; a coil spring that biases the slider in the card ejection direction; an abutting portion that is integrally formed in the slider and is capable of abutting an insertion direction side of the card; and a shaft that is provided in the slider and retains the coil spring by being inserted in the coil spring; wherein both ends of the shaft that protrude from the coil spring become enlarged diameter portions that are partially widened compared to the middle portion on which the coil spring is fitted.