A lever for a ring mechanism

Details A lever for a ring mechanism A lever for a ring mechanism

B - Operations, Transporting

42

F

B42F 13/26 (2006.01) B21D 11/10 (2006.01) B21D 22/00 (2006.01) B23P 15/00 (2006.01)

Patent

CA 2591264

A ring mechanism for retaining loose-leaf pages comprises a housing, hinge plates, and ring members. The housing supports the hinge plates for pivoting motion moving the ring members mounted thereon between an open position and a closed position. In the open position, the ring members are apart and pages can be added or removed from the ring members. In the closed position, the ring members are together and pages are retained by the ring members. The mechanism comprises an actuator for causing the pivoting motion of the hinge plates. In one aspect, the actuator includes an opening arm that causes the hinge plates to pivot to open the ring members. In another aspect, it includes closing arms that cause the hinge plates to pivot to close the ring members.

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