Binder ring

Details Binder ring Binder ring

1974-06-26

1976-04-13

Schnall, Jerome

Binder device releasably engaging aperture or notch of sheet

Resilient sheet retainer requiring deflection for sheet removal

Releasably attached to keeper

24 16PB, 402 75, B42F 302

Patent

active

039501078

ABSTRACT:
A one-piece, molded plastic binder ring that may be formed with an integral post for attaching the binder ring to the spine of a loose leaf cover. The binder ring includes a T-shaped socket in its base which receives a cross bar of a flexible strap molded integrally with the base, and locking projections are formed in the socket to lock the strap cross bar in a pocket formed in lower surface of the base of the binder ring.

REFERENCES:
patent: 2321559 (1943-06-01), Trussell
patent: 2910068 (1959-10-01), Lane
patent: 3236242 (1966-02-01), Galiley
patent: 3251364 (1966-05-01), Goldman
patent: 3313303 (1967-04-01), Beyer
patent: 3325853 (1967-06-01), Stroweis
patent: 3516124 (1970-06-01), Merser
patent: 3529795 (1970-09-01), Van Niel
patent: 3529900 (1970-09-01), Pettit
patent: 3632218 (1972-01-01), Zippel

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