Adjustable writing platform for a notebook

Details Adjustable writing platform for a notebook Adjustable writing platform for a notebook

1991-06-20

1992-05-19

Bell, Paul A.

Binder device releasably engaging aperture or notch of sheet

Miscellaneous

Sheet lifters

402 73, 248454, B42F 1300

Patent

active

051142597

ABSTRACT:
A writing platform for a notebook, the writing platform including a writing table that can be elevated from a flat configuration to an elevated position along one edge adjacent the ring binder of the notebook so as to provide a writing surface underneath one or more pages in the notebook. A riser is hingedly joined between a basal element and the writing table and supports the edge of the writing table at a preselected elevation. Detent means are included on the basal element and are engaged by the writing table to releasably support the riser in a generally vertical orientation. The dimensional characteristics of the writing table, the riser, and the detent means determine the ultimate elevation of the edge of the writing table.

REFERENCES:
patent: 3136082 (1964-06-01), Sloves
patent: 3936202 (1976-02-01), Brajituli
patent: 4019823 (1977-04-01), Kleinert et al.
patent: 4603995 (1986-08-01), Vilona
patent: 4623276 (1986-11-01), Kinneir
patent: 4981386 (1991-01-01), Beleckis

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