Ring binder mechanism

Details Ring binder mechanism Ring binder mechanism

B - Operations, Transporting

42

F

B42F 13/26 (2006.01) B42F 3/04 (2006.01)

Patent

CA 2413364

A ring binder mechanism for retaining loose leaf pages. The mechanism includes an elongate plate, hinge plates supported by the plate for pivoting motion relative to the plate, and ring members mounted on the hinge plates which are moveable between a closed position and an open position. A control structure controllably pivots the hinge plates to thereby move the ring members between the closed and open positions. The control structure includes a single actuator at one end of the mechanism, a travel bar movable relative to the elongate plate, and two connecting links operatively connecting the travel bar to the hinge plates. The control structure is configured to selectively place the mechanism in a locked position wherein the ring members are securely closed.

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