Locking raschig ring binder

It will appreciated that the present invention is formed of relatively few separate parts

, since the cover and operating levers incorporate, in just three members, all of the structure required for pivotally mounting the operating levers and for providing the means for locking the levers in their closed position, as well as the actuators 30 and 32 for opening the raschig ring, and the tongue 34 for closing the raschig ring. That central location of the tongue 34 on the operating levers 16 and 18 facilitates closing the raschig ring 10-12 with a minimum of force, and also simplifies the construction of the operating levers, as separate tongues are not required for the two hinged leaves or plates. Also, because the levers are not required to rotate so far as to reach an overcenter or toggled position, movement between opened and locked positions can be accomplished with a great economy of motion.

Locking raschig ring binder

By: eric

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