Lever-arch type file mechanism

Details Lever-arch type file mechanism Lever-arch type file mechanism

B - Operations, Transporting

42

F

B42F 13/24 (2006.01) B42F 13/36 (2006.01)

Patent

CA 2604130

A lever-arch type file mechanism (100, 200) is disclosed as including a base (102, 202), two rings extending upwardly from the base (102, 202), each ring a post (106, 206) fixed to the base (102, 202) and an arch (124, 207) movable relative to the base (102, 202) and the post (106, 206), a lever assembly (108, 208) movable relative to the base (102, 202) between two stable configurations to pivot the arches (124, 207) relative to the posts (106, 206) to selectively move the rings between a ring-closed configuration and a ring-open configuration, and the lever assembly (108, 208) includes at least a first link (136, 216) and a second link (132, 212) connected with each other, and the first link (136, 216) is pivotable relative to the base (102, 202) about a first axis (P-P, W-W) fixed relative to the base (102, 202) and that the second link (132, 212) is pivotable relative to the base (102, 202) about a second axis (S-S, T-T) fixed relative to the base (102, 202), and during movement of the lever assembly (108, 208) between the two stable configurations, the first link (136, 216) is pivotable relative to the base (102, 202) through a first angle (.alpha., .theta.) and the second link (132, 212) is pivotable relative to the base (102, 202) through a second angle (.beta., .phi.) which is larger than the first angle (.alpha., .theta.).

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