US1687304A - Folding map or chart - Google Patents

Description

Oct. 9, 1928. 1,6

A. R. MORRIS FOLDING MAP OR CHART Filed June 16, 1927 OFHEN I a! 3cm 7 \x MICHIGAN rummalw RAMON an Mug gap/

Patented Oct. 9, 1928.

UNITED STATES AMOS R. MORRIS, OF ANN ARBOR, MICHIGAN.

FOLDING MAI OB CHART.

Application filed June 16, 1927. Serial No. 198 297.

This invention relates to folding maps or charts, and the object of this invention and wherein it is believed to be superior to similar folders within the knowledge of this applicant, is in the form and folding of the map or chart in relation to the form and attachment of the folding cover-backs to secure a maximum of accessibility with a minimum of unfolding. The advantages following from the construction and arrangement of the parts of this invention as herein set forth are 1. Any part of the map is readily accessible.

2. After the angular folds have been extended, a single opening movement permits the examination of any section.

3. Two sections are laid open by taking hold of the two cover-backs.

4. A cover index map may be provided externally on either cover-back to enable the user to find readily the section desired without unfolding.

5. The cover-backs may carry detail maps of cities or special sections of any locality arranged in order of the sections of the folded map.

6. The map constructed in accordance with this invention becomes a double faced map by printing another map on the reverse side.

7. With a double face map the inside fold of the cover-backs rests between two of the sections of the map.

The special construction and arrangement of the parts of this invention are illustrated in the accompanying drawings, of which Figure 1 represents a plan view of all parts assembled and unfolded.

Figure 2 is an edgewise view of all parts after the body portion has been folded once longitudinally, and shows the various portions before being closed together.

Figure 3 is an end view of all parts folded into final form with all parts folded together.

Throughout this description and drawings the same number is used to refer to the same art. p The body of the map or chart 1 may be folded transversely after being folded longitudinally, the longitudinal crease or line of folding is marked 2, and the transverse lines are designated by the numeral 3.

The cover-backs 4. and 5 are located at diagonally opposite corners of the body 1. They are foldable extensions, and may be made of material heavier than that of the body for stiffening and protective purposes and to form hand-holds or supports whereby the map may be conveniently and firmly held in the hands when unfolded for use, without any of the face of the mapbeing covered or hidden by the hands. It will-be noted that each cover-back, such as the cover-back 4 may comprise a plurality of folding portions 6 and 7. This invention is not limited to any particular number of folds or thickness of material employed.

Considering Figure 2 it will be noted that the cover-backs are now at the ends of the angularly folded strip made by giving the body 1 a single longitudinal fold, and in closing the folds together the cover-backs form the external pages of the whole.

It is desired here to call attention to the fact that while the cover-backs are illustrated as composed of two-page equal leaves, it is not necessary that the portion 7 of the coverback 4, and the corresponding portion of cover-back 5 shall be of equal extent with the first portion of the cover-back, but the portion 7 may terminate at the point marked X, and thus clear the entire back of the body 1 when the map or chart is reversed or reversely folded.

' The operation of this invention is believed to be plainly discernible from the foregoing explanation and the accompanying drawings. Attention is asked to-the fact that when the map is spread open as illustrated in Figure 1, the cover-backs are in position to exhibit any index data or other information printed thereon, to the person studying the map. That statement obviously holds good for either side of the map. When the whole is folded into its final shape as set out in Figure 3, it may be of such size as to be readily placed in the pocket, although this invention is in no sense limited to pocket maps.

Having now described this invention, and explained the mode of its operation, I cla1m:

1. A folding map or chart, having a rectangular body portion adapted to be folded transversely and longitudinally, and stiffening extenslons secured to diagonally opposite corners constructed and arranged to form the external pages when the whole is folded.

2. A folding map or chart, having a rectangular body portion adapted to be folded transversely and longitudinally, and foldable stiffening extensions secured to diagonally opposite corners of the said body and arranged to form the external pages when the whole is folded.

3. A folding map or chart, having a body portion constructed to be folded trai'isversely and longitudinally, and foldable two-leaf extensions secured to diagonally opposite corners of the said body, the said extensions forming cover-backs, and one of said ex--' ing cox'er-backs, one of said extensions be-' ing arranged with its leaves directly together when the whole is folded and having one leaf integrally attached to one corner fold of the bod portion, whereby said corner fold is sti ened, and the other extension including between its leaves the cor-- ner fold diagonally opposite the first named fold, the corner fold between said leavesbeing integrally attached to one of said leaves, whereby this corner fold is also stiffened.

5.. A folding map or chart, having a body portion constructed to be folded into relatively small compact form, and foldable two-leaf extensions of heavier material than the body of the map, arranged at diagonally opposite corners of said body portion, one of the leaves of said extensions being integrally secured to the adjacent corner of the body portion, and the other leaf projecting laterally from said corner, when the leaves are unfolded, said laterally projecting leaves forming hand-holds, whereby the map may be conveniently and firmly held in the hands when unfolded for use.

6. A folding map or chart, having a body portion constructed to be folded into relatively small compact form, and foldablc two-leaf extensions of stiff material secured to diagonally opposite corners of said body, said extensions when they and the map are folded formin separate and independent cover backs entirely disconnected from each other and which when the map is unfolded for use provide hand-holds, whereby the ma may be conveniently and firmly held.

11 testimony whereof I afiix my signature.

AMos a. MORRIS.

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