Patent ID: 8220385

Claim:
A stencil printing machine comprising, in a casing thereof, a plate ejecting device for stripping a used stencil sheet from a stencil plate mounting body and collecting the stencil sheet, wherein the plate ejecting device comprises: a storage section for storing the stencil sheet, a lid body for closing the storage section openably and closably; and a bolting means for bolting the lid body in a closed state, the bolting means having a locking mechanism for locking the lid body to be in the closed state and a bolting section for bolting the lid body by maintaining a locked state by means of the locking mechanism, and wherein the plate ejecting device is provided so as to be externally removable from the casing, and wherein the locking mechanism has an engaged member built in the storage section and an engaging member provided in the lid body, and makes the lid body be in the locked state by making the engaging member engage with the engaged member, and wherein the bolting section keeps the locked state by the locking mechanism, by means of regulating the engaging member.