Abstract: A male terminal metal fitting including a male connector, a female terminal metal fitting including a female connector, and a holding structure that generates holding force therebetween are included. The holding structure includes two first holding bodies that are arranged between the male connector and the female connector in a region and that become contact points therebetween, two second holding bodies that are arranged between the male connector and the female connector in a region and that become contact points therebetween, and a third holding body that is arranged on an opposite side of the first holding bodies in a cylinder axis direction with respect to the second holding bodies and that becomes a contact point between the male connector and the female terminal metal fitting.

Abstract: A male terminal metal fitting including a male connector, a female terminal metal fitting including a female connector, and a holding structure that generates holding force therebetween are included. The holding structure includes two first holding bodies that are arranged between the male connector and the female connector in a region and that become contact points therebetween, two second holding bodies that are arranged between the male connector and the female connector in a region and that become contact points therebetween, and a third holding body that is arranged on an opposite side of the first holding bodies in a cylinder axis direction with respect to the second holding bodies and that becomes a contact point between the male connector and the female terminal metal fitting.

Abstract: A connector including: a male terminal; a female terminal having a tube into which the male terminal is inserted; and an elastic member assembled inside the tube, wherein protrusions inwardly protruding are formed on an inner wall of the tube, the protrusions include: first protrusions provided at positions where two straight lines extending from one point on an axis of the tube cross the inner wall, the two straight lines forming a first angle therebetween and each being perpendicular to the axis; and second protrusions provided at positions where two straight lines extending from one point on the axis cross the inner wall, the two straight lines forming a second angle and each being perpendicular to the axis, the first protrusions and two second protrusions being provided in a direction parallel to the axis, and the elastic member urges the male terminal inserted in the tube, toward the protrusions side.

Abstract: A connector including: a male terminal; a female terminal having a tube into which the male terminal is inserted; and an elastic member assembled inside the tube, wherein protrusions inwardly protruding are formed on an inner wall of the tube, the protrusions include: first protrusions provided at positions where two straight lines extending from one point on an axis of the tube cross the inner wall, the two straight lines forming a first angle therebetween and each being perpendicular to the axis; and second protrusions provided at positions where two straight lines extending from one point on the axis cross the inner wall, the two straight lines forming a second angle and each being perpendicular to the axis, the first protrusions and two second protrusions being provided in a direction parallel to the axis, and the elastic member urges the male terminal inserted in the tube, toward the protrusions side.

Abstract: An optical connector includes a pair of optical connectors including a board-side connector and an opposite-side connector fitted with each other. The board-side connector includes an accommodating portion configured to internally fit with an opposite-side housing of the opposite-side connector and having an opening toward the front. The accommodating portion includes an elastically deformable shutter configured to elastically fall toward the back side of the accommodating portion to open the opening of the accommodating portion by being pressed by the opposite-side housing when the board-side connector and the opposite-side connector are fitted with each other. The shutter closes the opening of the accommodating portion when the housing and the opposite-side housing are detached from each other.