Ring binder mechanism
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United States of America Patent
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Aug 6, 2019
Grant Date -
Aug 20, 2015
app pub date -
May 6, 2015
filing date -
Jan 14, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A ring mechanism has an elongate housing and rings for holding loose-leaf pages. Each ring has ring members mounted on pivoting hinge plates for movement between open and closed positions. An actuator has opening and closing arms extending from an actuator body for opening and closing the rings. The mechanism has a travel bar moveable between a locked position in which a locking element blocks pivoting movement of the hinge plates and an unlocked position. The actuator has a flexible arm positioned to push the travel bar toward the locked position when the actuator closes the rings. At least a portion of the flexible arm is adapted to deform during closing in a manner that includes rotation in a first direction relative to the body of the actuator. Movement of the actuator to close the rings includes rotation of the actuator in the first direction relative to the housing.
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