Ring binder

Details Ring binder Ring binder

1971-12-27

1976-12-07

Schnall, Jerome

Binder device releasably engaging aperture or notch of sheet

Sheet retainer travels arcuate path

Travel in plane perpendicular to axis of rotation

402 20, B42F 304

Patent

active

039959619

ABSTRACT:
A ring binder comprising a hollow spine divided into a stationary portion and a pair of movable portions integrally interconnected to one another through the intermediary of longitudinally extending scored folding lines. The two movable portions carry ring halves for movement toward and away from one another into closed and opened positions respectively. The movable portions are movable together with one another toward and away from the stationary portion into two extreme at-rest positions for opening and closing the ring halves.

REFERENCES:
patent: 1092675 (1914-04-01), Traher
patent: 3105494 (1963-10-01), Duncan
patent: 3132649 (1964-05-01), Gits
patent: 3253603 (1966-05-01), Levitan
patent: 3292223 (1966-12-01), Esposito
patent: 3612709 (1971-10-01), Miyamoto

Affiliated with

Also associated with

Rating

Ring binder does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ring binder, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ring binder will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-376399