Paper, leaf and laminate binder

Details Paper, leaf and laminate binder Paper, leaf and laminate binder

1994-05-24

1996-08-06

Fridie, Jr., Willmon

Books, strips, and leaves

Book, element thereof, or accessory therefor

Binding

281 151, 281 28, 281 36, B42D 100

Patent

active

055427081

ABSTRACT:
A versatile binder for binding leaf materials, including sheets of paper as well as carpet samples, is provided with a bellows between legs of a binding bracket for adjustment in receiving differing thicknesses of materials to be bound. The bellows is actuated with a manual air pump mounted on the binding bracket under a bladder. A torsion spring-biasing binding clamp is further provided to secure the bound materials in place once the bellows have been positioned. An alternative binding clamp is provided in one or more tapered pins on an upper bracket member matching frustum bores in blocks mounted to lower bracket members, frictionally.binding the two members together when the tapered pins are urged into the frustum bores.

REFERENCES:
patent: 3628877 (1971-12-01), Barnes
patent: 4842435 (1989-06-01), Thomas et al.
patent: 4865483 (1989-09-01), Snook

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