Books – strips – and leaves – Book – element thereof – or accessory therefor – Covers
Reexamination Certificate
2000-06-05
2001-09-25
Fridie, Jr., Willmon (Department: 3722)
Books, strips, and leaves
Book, element thereof, or accessory therefor
Covers
C281S029000, C281S051000, C402S004000
Reexamination Certificate
active
06293591
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a folder allowing conversion into an adjustable book-rest.
One of the most widespread deformities acquired by the spinal column is idiopathic primary essential scoliosis. This is a permanent lateral deviation of the spine and is better known as adolescents' scoliosis since it is caused, especially in the school age, by incorrect scoliotic postures associated with general hypotonia of the muscles and ligaments. In practice, it is a deformation caused by alterations in the load due to an imbalance between static demands and the resistance of the spine in delicate, long-limbed, asthenic individuals.
However, since there is a lack of adequate preventive information, all this is almost always ignored until the disorder occurs, and the bad habit of reading in strange positions is widespread especially among younger people. Such positions are almost always assumed in order to improve visual perception but are unadvisable for anyone and especially for individuals who are already predisposed to deformation of the spinal column.
The present invention cannot of course correct congenital or already-acquired deformations, since altogether different solutions are required for these problems, but it can avoid the onset of alterations which are mainly due to prolonged scoliotic postures such as those assumed by children while reading books or newspapers which are perhaps large and are rested on the horizontal surface of a table or of a desk for adults.
U.S. Pat. No. 3,311,202 discloses a folder as defined in the preamble of claim
SUMMARY OF THE INVENTION
The aim of the present invention is to overcome the above-mentioned drawbacks.
In order to obviate the above-cited problems, the present invention proposes to use an original folder which is made of plastics or other suitable material and whose dimensions are chosen so as to allow to store therein a copybook and a few pens. It can, if necessary, assume a book-rest configuration in order to tilt a document enough to allow its optimum viewing and reading while assuming spontaneously, i.e., in a natural manner and without impositions, a posture in which one stands up straight or in any case without imbalances for the spinal column.
On a general level, it is an articulated assembly which comprises a prism-like box with an overturning cover and a prop which is pivoted to one of the two parts of the box (cover or bottom) and can be coupled to the other, which is provided with notches or other suitable means, according to the configuration to be given to the cover with respect to the bottom when, by using the invention as a desktop book-rest, it supports the document in an inclined position and retains it at the base with a fixed or retractable support.
The above aim and other objects which will become apparent hereinafter are achieved by a folder as claimed in the appended claims.
REFERENCES:
patent: 1564594 (1925-12-01), Leh
patent: 2550279 (1951-04-01), Mamer
patent: 2881008 (1959-04-01), Goldman
patent: 3311202 (1967-03-01), Schell
patent: 6010158 (2000-01-01), Croteau
patent: C-458 058 (1928-03-01), None
patent: A-21 28 366 (1972-12-01), None
patent: A-2 689 734 (1993-10-01), None
Fridie Jr. Willmon
Josif Albert
Modiano Guido
O'Byrne Daniel
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