Adjustable writing platform for a notebook

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

1990-06-01

1991-09-03

Bell, Paul A.

Binder device releasably engaging aperture or notch of sheet

Miscellaneous

Sheet lifters

402 8, 402 73, 402502, 248454, B42F 1300, B42F 1340

Patent

active

050448072

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 so as to provide a writing surface underneath one or more pages in the notebook. A riser is hingedly joined to the writing table and supports the edge of the writing table at a preselected elevation. Detent means are included 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: 2309474 (1943-01-01), Neilson
patent: 3091482 (1963-05-01), Cirigliano
patent: 4240761 (1980-12-01), Jacobson
patent: 4595309 (1986-06-01), Chinchar
patent: 4880327 (1989-11-01), Sanabria

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