Patent ID: 8702088

Claim:
An automatic transaction apparatus comprising a temporary accumulating unit that conveys a medium via a conveying section, accumulates the medium, and then re-conveys the medium, wherein an operation knob is provided for insertion between and meshing with a gear that rotates the conveying section and a gear that rotates the temporary accumulating unit such that both the gears are capable of being rotated at the same time, the operation knob being movable to a position in which it is not inserted between the gears and does not mesh with the gears, and wherein a stay is provided such that the operation knob is capable of being inserted when the stay is moved to a first position in which it is spaced apart from the operation knob, and such that the stay prevents the operation knob from being inserted when the stay is moved to a second position in which a peripheral portion of the operation knob overlaps part of the stay.