402 / | HD | BINDER DEVICE RELEASABLY ENGAGING APERTURE OR NOTCH OF SHEET |
73 | DF | DEPOSITORY (E.G., BINDER COVER, ETC.) {2} |
74 | .~ Face member with back member {3} | |
75 | DF | .~.~> Including means to attach sheet retainer or binder device |
76 | DF | .~.~> Back member including hinged portions |
77 | DF | .~.~> Hinged at juncture |