Locking booster ring binder mechanism

Details Locking booster ring binder mechanism Locking booster ring binder mechanism

1997-08-28

1999-05-18

Han, Frances

Binder device releasably engaging aperture or notch of sheet

Sheet retainer travels arcuate path

Travel in plane perpendicular to axis of rotation

402 37, 402 41, B42F13/16;3/04

Patent

active

059044357

ABSTRACT:
A locking booster ring binder mechanism includes a pair of locking levers, each having a tongue which extends through an opening at one end of the leaves of the mechanism. The tongue has a head wider than the opening, so that the head presses up on the leaves to open the rings when the trigger is pressed outward and downward. A pair of legs extend from either side of the tongue along the sides of the opening between the leaves. The legs have blocking protuberances which bear against the sides of the opening, and prevent the leaves from being opened, when the lever is in a locked position, but not when the lever is in an unlocked position.

REFERENCES:
patent: 3884586 (1975-05-01), Michaelis et al.
patent: 4566817 (1986-01-01), Barrett, Jr.
patent: 4813803 (1989-03-01), Gross
patent: 5067840 (1991-11-01), Cooper et al.
patent: 5116157 (1992-05-01), Gillum et al.
patent: 5135323 (1992-08-01), Pinheiro
patent: 5180247 (1993-01-01), Yu
patent: 5255991 (1993-10-01), Sparkes
patent: 5354142 (1994-10-01), Yu

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