Binding fastener assembly

Details Binding fastener assembly Binding fastener assembly

1990-07-09

1991-12-24

Eley, Timothy V.

Binder device releasably engaging aperture or notch of sheet

Opposed sheet retainers involving relative rectilinear travel

Telescopic retainers with means to telescopically drive...

411339, B42F 302

Patent

active

050746960

ABSTRACT:
A fastener structure for use and securement of sheet stacks is set forth, wherein the fasteners each include a semi-cylindrical shank formed with engagement ribs in confronting relationship relative to securing pairs of the fasteners. The ribs each include a horizontal floor, and wherein the fasteners are in an axially aligned relationship relative to one another to effect securement of a sheet stack utilizing spaced binder plates to secure the stack together.

REFERENCES:
patent: 2201551 (1940-05-01), Welk
patent: 2560110 (1951-07-01), Horn
patent: 3251260 (1966-05-01), Serdechny
patent: 4730972 (1988-03-01), Sun et al.

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