File or ring binder holder has clamp mechanism whereby counter holder having supporting body and flexible support element to mesh with ring or clamp mechanism such that counter holder has support body with sidewise projecting flat spring

摘要

The holder for file (1) or ring binder has ring or clamp mechanism (2) whereby the holder (7) has supporting body (8) and flexible support element (9) to mesh with ring (3) or clamp mechanism. The arrangement is such that counter holder has support body with sidewise projecting flat spring (10). The flat spring has lesser spring rigidity in closing direction (11) than in the other direction.