Paper punch apparatus

摘要

A paper punch apparatus comprising a flange-storing space (14c) for storing the flange portion (23) in an elevating unit (14), an insertion/removal portion for insertably supporting a supporting axis (22) of a bit reception plate (20) in communication with the flange portion (23), and a bit-reception-plate engagement/disengagement portion for engagement/disengagement with respect to the flange portion (23) of the bit reception plate (20) in the flange-storing space, whereby the bit reception plate (20) can be parallelly and linearly inserted/detached with respect to the elevating unit (14), and insertion/detachment can be steadily and securely performed at all times.