| 摘要 |
A holder and a support member for mounting a blade to a perforator are provided. The holder is composed of a blade, a two-position switching member, and a mounting member. The holder is assembled detachably to the support member along the external shape of the mounting member by operating the two-position switching member. The two-position switching member has an elastic compression member between it and the mounting member to impart elasticity to the operation, and has also an engaging section to fit into a groove in the support member, thereby ensuring the engaged state of the holder. The support member 150 includes a groove for mounting the blade and a clearance groove for punch cuttings above the groove.
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