Abstract: A battery mount from which a battery device is attachable and detachable results in a configuration that enables easy attachment and detachment of a battery having various shapes. The battery mount includes: connection terminals configured to fit to external terminals of the battery and having a shape along which the external terminals are slidable in at least one direction; and a lever rotatable about a fulcrum and located at a side at which the connection terminals are located when seen from the battery in a state where the external terminals are fitted to the connection terminals. The external terminals are configured to be elastically deformable to fit to the connection terminals by sandwiching the connection terminals therein.

Abstract: In a battery mounting unit to/from which a battery device is attachable and detachable, a configuration that enables easy attachment and detachment of the battery device having various shapes is obtained. A battery mounting unit 1 includes: connection terminals 13 configured to fit to external terminals 110 of a battery device 3 and having a shape along which the external terminals 110 are slidable at least in one direction; and a lever 30 rotatable about a fulcrum and located at a side at which the connection terminals 13 are located when seen from the battery device 3 in a state where the external terminals 110 are fitted to the connection terminals 13. The external terminals 110 are configured to be elastically deformable to fit to the connection terminals 13 by sandwiching the connection terminals 13 therein.

Abstract: An airflow generation device of an embodiment includes a dielectric base, a first electrode, a second electrode, a third electrode, and a power supply. The dielectric base has a main surface. The first electrode is disposed on the main surface. The second electrode is disposed in the dielectric base with an interval from the first electrode in a first direction along the main surface. At least a part of the third electrode is disposed at a position in the dielectric base, between the first electrode and the second electrode in the first direction, and deeper than the second electrode. The power supply applies voltages for causing discharge to the first, second, and third electrodes.