CARTRIDGE FITTING ZIG FOR DISCHARGE DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a cartridge fitting zig capable of easily inserting a press member into a housing cylinder and preventing the biting of a thin film constituting a cartridge between them. SOLUTION: A slit 22e crossing in the axial line direction and extending toward the inside from the outer peripheral surface is formed on the press member 22. As a result, the press member 22 enables the reduction of diameter.