Lock Ring
pub-8348084515547660
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Locking raschig ring binder
Refer raschig ring now to the drawings, FIG. 1 illustrates a perspective view of a locking raschig ring binder incorporating the present invention. The binder incorporates a plurality of two-part raschig rings 10, 11 and 12, which may be selectively opened and closed, a cover or shield member 14, and a pair of operating levers 16 and 18 at opposite ends of the cover. The operating levers 16 and 18 are secured to the cover in a way which allows them to be rotated from a locking position as shown in FIG. 1, toward an unlocked position, in which the lever is moved away from the raschig ring 10 and 12.
When the lever is rotated from the position of FIG. 4 into the position of FIG. 5, the tongue 34 urges the leaves 26 and 28 downwardly, into the closed position, as illustrated in FIG. 5. However, in this position, the raschig ring may be readily opened manually, in which case the leaves 26 and 28 are forced upwardly be means of manual pressure being applied thereto through the raschig ring 10 and 12. This action causes the levers to rotate clockwise back to the opened position illustrated in FIG. 4.
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.
About the Author
Refer raschig ring now to the drawings, FIG. 1 illustrates a perspective view of a locking raschig ring binder incorporating the present invention. The binder incorporates a plurality of two-part raschig rings 10, 11 and 12, which may be selectively opened and closed,
Sunlite HG lock ring tool & chain whip
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