Patent ID: 7833652

Claim:
A battery loading mechanism, comprising: a battery loading section having an insertion space capable for accommodating a battery, in which a portion of an outer circumference of each of two end surfaces on insertion and ejection sides, respectively, is formed as a curve section; and lock means for locking the battery loaded into the battery loading section, the lock means rotatably supported on the battery loading section; wherein the lock means includes a lock section, the lock section being formed in such a shape that it becomes wider the further away it is from a point at which the lock means is rotatably supported, and a spindle section extending in a direction in which the battery is inserted into the battery loading section, the lock section being connected to the spindle section to rotate about an axis of the spindle section, and wherein at least a portion of a side edge of the lock section in a width direction is formed as a curve section corresponding to the curve section of the battery.