Binder device releasably engaging aperture or notch of sheet – Sheet retainer travels arcuate path – Travel in plane perpendicular to axis of rotation
Patent
1983-06-30
1984-05-22
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
402 41, B42F 304
Patent
active
044498403
ABSTRACT:
A binder assembly of the ring type according to the invention comprises a slide support member, an operable slide member, fixed holder rods and a turnable holder rod. The free ends of these rods are curved in the face-to-face relation to each other. The slide member is fitted into an angle guide portion of the slide support member. The turnable holder rod has a U-shaped portion allowed to engage a space formed in the slide member by way of a through-hole provided in the central lower end of the angle guide portion.
REFERENCES:
patent: 4130368 (1978-12-01), Jacoby et al.
Bell Paul A.
King Jim Co. Ltd.
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