Binder device releasably engaging aperture or notch of sheet – Sheet retainer also serves to insert binder strand through...
Patent
1985-06-04
1986-12-30
Bell, Paul A.
Binder device releasably engaging aperture or notch of sheet
Sheet retainer also serves to insert binder strand through...
402 80R, B42F 1300
Patent
active
046325867
ABSTRACT:
A document file folder of the type having a flat metallic fastening member is improved by crimping the ends of its metallic fastening member so as to bring the parallel sides of the ends of the flat metallic member toward one another to form a protrusion on each of the ends of the flat metallic member. An element is formed so as to be essentially U-shaped and have hollow ends. The hollow ends of the element are sized and shaped so as to receive the crimped ends of the metallic fastening member so as to facilitate removal of overlying documents from said document file folder, insertion of a document onto said fastening members and replacement of the removed documents back onto the metallic fastening member.
REFERENCES:
patent: 4084911 (1978-04-01), DeWitt
patent: 4427315 (1984-01-01), Raisch
Bell Paul A.
Boswell Herb
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