The device of the satchel ergonomic for children or adolescents, and in back for adults

摘要

The present invention proposes a school bag for children, comprising a casing having a lateral lugs. The satchel also comprises at least one block of which is made of an elastic material. That - it is anchored on each side of the envelope at least two points of anchoring the ventral separated by a height of the holding of at least one quarter of the height of the satchel. The experiment of such a satchel "interlacing " shows that it is possible to support the weight as recommended by eliminating the straps on the shoulders, and thus to reduce the load exerted on the upper part of the vertebral column. According to one feature, the casing includes at least one internal wall, defining at least one front compartment or which is adjacent to the bottom and at the rear panel of said envelope. Such a compartment is arranged to have a rectangular parallelepipedic shape of a thickness less than its height and width, and dimensions are determined so as to accommodate one or more books, binders and / or pamphlets. Preferably, the satchel comprises one or several compartments complementary situated at the rear and / or above the front compartment. Such a compartment has dimensions determined in order not to be able to accommodate a book or a file, or even a notebook or a container. According to another feature, the satchel comprises a gripping handle provided with a dynamometric device designed to provide a measurement can be seen in the weight of the satchel. Optionally, the satchel further comprises an additional compartment is independent, which is fixed removably on the shoulder straps and / or ventral belt for holding, on the front of the carrier.