(Detachable Metal Binder and File with the Detachable Metal Binder)

摘要

A removable metal fastener configured to allow the user to separate the file from the file as needed, and a file having the removable metal fastener.;A metal fastener in which a bottom plate 20a is attached to a back cover 10a of a die sheet 10 by means of a coupling pin 14 is a metal fastener for engaging a caulking portion 14c of a coupling pin 14 The insertion hole portion 24b and the insertion hole portion 24c for inserting the caulking portion 14c and the insertion hole portion 24c and the engagement hole portion are made to communicate with each other and the enlarged diameter head portion 14a of the engagement pin 14, A restricting means 24 including a guide opening 24a for allowing the movement of the shaft portion 14b connecting the caulking portion 14c is provided at each corner of the bottom plate 20a. The above-described restricting means 24 is provided on each corner of the bottom plate 20a in a file comprising a base sheet 10 and a metal fastener attached on the back cover 10a of the base sheet 10 At the same time, the regulating opening 15 for inserting the caulking portion 14c of the engaging pin is provided on the back cover 10a at the portion of the back cover 10a corresponding to the regulating means 24 (see Fig. 2).