Trigger enclosure for ring binder

Details Trigger enclosure for ring binder Trigger enclosure for ring binder

1992-04-30

1993-08-10

Bell, Paul A.

Binder device releasably engaging aperture or notch of sheet

Sheet retainer travels arcuate path

Travel in plane perpendicular to axis of rotation

16251, 402 41, B42F 1300

Patent

active

052342760

ABSTRACT:
A trigger lever enclosure for surrounding and enclosing the trigger of a ring binder which enclosure is rigid and larger than the trigger to increase trigger leverage. The enclosure may be removable.

REFERENCES:
patent: 2105235 (1938-01-01), Schade
patent: 2789561 (1957-04-01), Bonn et al.
patent: 3205896 (1965-09-01), Weichert
patent: 3665552 (1972-05-01), Toldo et al.
patent: 4700876 (1987-10-01), Wingert

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