Patent ID: 9610796
Date: 2017-04-04
CPC Classifications: B42F

Claim:
1. A loose-leaf folder device, comprising: a pair of main components; each main component comprises a housing, one or more first half retaining rings, and second half retaining rings, which are of the same number as the first half retaining rings, are arranged thereon; the two main components can be combined with or separated from each other; when the two main components are combined with each other, each first half retaining ring of one main component can be combined with a corresponding first half retaining ring of the other main component to form a closed retaining ring; and when the two main components are separated from each other, a main component can be separated from the other main component to form two independent parts, where each main component has independent closed retaining rings formed by the combination of each of the first half retaining rings and a corresponding one of the second half retaining rings.